Learning Strategies Practice Exam

Question 1 Learning Strategies

What happens to emotional memories during sleep?

1) Choose the concept and study it. 2) Explain it as if teaching a child. 3) Identify gaps in your explanation and revisit the source material. 4) Simplify your language and review/refine the explanation. The initial ease factor (default 2.5) given to new cards. Decreasing it makes new cards harder at first; increasing makes them easier but may produce later overdues. Sleep, particularly REM, helps extinguish the emotional charge of memories while preserving their content—a process involving amygdala-cortex interactions. This is why sleep-deprived individuals often show heightened emotional reactivity. John Sweller's framework explaining how working memory limits constrain learning. Effective instruction manages intrinsic, extraneous, and germane load.

Question 2 Learning Strategies

What is the "self-reference effect"?

People remember information better when they relate it to themselves ("how does this apply to me?"). One of the most reliable encoding boosts in cognitive psychology. Errorless learning minimizes mistakes by providing heavy cues during acquisition (favored in some clinical/rehabilitation contexts), while errorful learning deliberately allows errors to occur. Research generally shows errorful learning produces stronger long-term retention because errors are distinctive events that capture attention. Slow-wave sleep is the deepest stage of NREM, marked by delta waves (0.5–4 Hz high-amplitude oscillations). It predominates in the first half of the night and is critical for declarative memory consolidation and physical restoration. SWS dominates the first half of the night, while REM sleep increases in the second half. This distribution reflects the differing roles of early-night and late-night sleep in memory processing.

Question 3 Learning Strategies

What are sleep spindles and why do they matter for memory?

Breaks protect attention, reduce cognitive fatigue, and improve the quality of later recall. Key factors include (1) confidence level of the original error (higher → larger effect), (2) feedback specificity (detailed feedback enhances correction), and (3) semantic relatedness of items. The effect is stronger when learners can clearly see the conflict between their belief and the correct answer. Anki orders due cards by interval (shortest first) so urgent reviews come first. A small "learning queue" of new and lapsed cards runs alongside the main review queue. Sleep spindles are brief bursts of 12–15 Hz oscillatory activity generated in the thalamus during N2 sleep. They are associated with intelligence, facilitate hippocampal-neocortical communication, and correlate with memory consolidation.

Question 4 Learning Strategies

What is the "Zeigarnik effect" and how can learners use it?

Ericsson: structured practice aimed at specific weaknesses, with immediate feedback, full concentration, and effort beyond the comfort zone. Quantity alone is not deliberate practice. Unfinished or interrupted tasks are remembered better than completed ones. Stop mid-session and resume — the open loop primes recall. Closed-book: maximum retrieval effort. Open-book: lower effort, weaker learning. Closed-book self-tests dominate for retention; open-book tests help only when they still require synthesis. All four techniques build metacognitive awareness—the ability to monitor one's own understanding. By exposing gaps, they help learners distinguish between familiarity and actual comprehension, a critical skill for effective learning.

Question 5 Learning Strategies

What is the study session length sweet spot for new material?

About 25–50 minutes of focused work followed by 5–10 minutes of rest (matches Pomodoro). Beyond ~90 minutes without a break, encoding quality drops sharply. Engaging multiple senses during encoding (reading + speaking + writing) builds overlapping retrieval cues and improves both speed and reliability of recall. The act of recalling information from memory — rather than re-reading — strengthens memory far more than passive review. Tests are not just assessments; they are powerful learning events (Roediger & Karpicke, 2006). A complete sleep cycle lasts approximately 90 minutes, progressing through N1 → N2 → N3 → N2 → REM. Most adults experience 4–6 cycles per night, with REM periods lengthening toward morning.

Question 6 Learning Strategies

What is the expertise reversal effect's implication for flashcard design?

A powerful sequence:
1) Read the material and use Elaborative Interrogation (ask "why").
2) Use Self-Explanation to connect new ideas to prior knowledge.
3) Apply the Feynman Technique by explaining aloud simply.
4) Prepare to teach a peer, activating the Protege Effect. Early on, full-context cards with examples help. As expertise grows, minimal-context cards (single facts) become more efficient. Pre-Testing is the practice of attempting to answer questions about material before the material has been formally studied. Even incorrect answers produce measurable benefits for subsequent learning, demonstrating that retrieval attempts prime the brain for deeper encoding. The process by which labile short-term memories become stable long-term memories. Takes hours; interference risk is highest in the first ~6 hours after encoding.

Question 7 Learning Strategies

What is the relationship between automaticity and chunking?

The tendency to remember items at the beginning (primacy effect) and end (recency effect) of a list better than items in the middle. Self-Explanation involves generating explanations for oneself, while the Feynman Technique adds an external audience (teaching a child) and an explicit simplification step, making it more structured and diagnostic. Richland, Kornell, and Kao (2009) demonstrated that taking a pre-test (even one you fail) improves later study of the same material compared to simply restudying without attempting retrieval first. This finding sparked a wave of research on pre-activation through retrieval attempts. Chunking combines individual elements into larger meaningful units, reducing working memory load. As chunking develops through practice, sequences of actions become a single retrieved unit, which is the cognitive mechanism underlying the development of automaticity.

Question 8 Learning Strategies

How does Elaborative Interrogation work?

Asking "why" forces the learner to construct causal connections between new facts and prior knowledge, which creates richer memory traces and supports later retrieval and transfer. Desirable Difficulties (Bjork & Bjork) are learning conditions that are challenging in the short term but improve long-term retention. Generation, pre-testing, and errorful learning are all classified as desirable difficulties because the extra effort produces deeper processing and stronger memory. Studies (Roediger & Karpicke) show a single short quiz after a lecture roughly doubles retention after one week vs re-reading the same material. Feedback is essential to productive guessing — without it, guesses remain uncalibrated misconceptions. Effective feedback must be timely, specific, and address the learner's wrong answer directly so the cognitive system can detect and resolve the prediction error.

Question 9 Learning Strategies

What is the difference between "rote practice" and "variable practice"?

Forgetting between attempts caused by switching between different skills. High contextual interference hurts performance during practice but improves long-term retention. Young: interval < 21 days. Mature: interval ≥ 21 days. Mature cards are considered reliably learned but still need periodic review to remain stable. By creating causal connections between facts, elaborative interrogation builds flexible mental models that can be applied to novel problems rather than just memorized facts tied to specific contexts. Rote: repeating the same problem with identical numbers/conditions. Variable: practising the same underlying skill with varying surface features. Variable practice produces much better transfer.

Question 10 Learning Strategies

What is the "mere exposure effect" and how does it mislead learners?

Intrinsic: inherent task complexity. Extraneous: wasted by poor design. Germane: effort invested in building schemas. Goal: minimise extraneous, manage intrinsic, maximise germane. Repeated passive exposure to material increases familiarity and the subjective feeling of knowing — without improving actual recall. A major cause of the illusion of knowing. Deep understanding and reliable recall reinforce each other when both are trained intentionally. Recognition: "Which of these is X?" — easy to pass without learning. Production: "Define X" — requires actual retrieval. Production cards almost always beat recognition.

Question 11 Learning Strategies

What is metacognition's role in these techniques?

Forgetting caused by competing memories — proactive (old learning interferes with new) or retroactive (new learning interferes with old). Spacing and interleaving minimise interference. All four techniques build metacognitive awareness—the ability to monitor one's own understanding. By exposing gaps, they help learners distinguish between familiarity and actual comprehension, a critical skill for effective learning. A per-card multiplier (default 2.5, floor 1.3) that scales each successive interval. Easier cards gain EF; harder cards lose it. Memory is best retrieved when the conditions at recall match the conditions at encoding. Studying in conditions similar to the test or real-world application improves transfer.

Question 12 Learning Strategies

Who first demonstrated the Generation Effect and in what year?

Self-Explanation involves generating explanations for oneself, while the Feynman Technique adds an external audience (teaching a child) and an explicit simplification step, making it more structured and diagnostic. First review after ~1 day; next after 2–3 days; then ~7, ~21, ~60 days — roughly matching SM-2's default scaling for an average card. Studying a concept in multiple settings (different examples, locations, problem framings) builds richer retrieval cues and supports application in new situations. The Generation Effect was first demonstrated by Slamecka and Graf (1978). They showed that participants who generated words (e.g., from antonyms or word fragments) recalled them significantly better than participants who simply read the same words.

Question 13 Learning Strategies

What is "deliberate practice" and what are its key features?

Studies suggest combining techniques like self-explanation with retrieval practice and interleaved practice produces additive benefits, as each technique targets different cognitive processes (encoding, consolidation, transfer). Preparing to teach triggers deeper processing, retrieval practice, organization of knowledge, and anticipation of questions—all of which strengthen memory and understanding beyond what passive studying achieves. Testing produces retrieval-induced facilitation: each retrieval attempt strengthens the memory trace and updates its accessibility, whereas restudy mostly reinforces the feeling of familiarity without strengthening the storage pathway as efficiently. Ericsson: structured practice aimed at specific weaknesses, with immediate feedback, full concentration, and effort beyond the comfort zone. Quantity alone is not deliberate practice.

Question 14 Learning Strategies

How does sleep deprivation affect emotional memory and the amygdala?

EEG during SWS shows slow oscillations (<1 Hz) that nest spindles (12–15 Hz), which in turn couple to ripples (80–200 Hz). This triple coupling (SO-spindle-ripple) is considered a biomarker of successful memory consolidation. Engaging multiple senses during encoding (reading + speaking + writing) builds overlapping retrieval cues and improves both speed and reliability of recall. Desirable difficulties (Bjork & Bjork) are learning conditions — such as spacing, interleaving, or testing — that slow performance during practice but enhance long-term retention. They illustrate the dissociation between fluency during practice and durable learning. Sleep loss hyperactivates the amygdala by 60% or more in response to negative stimuli and reduces functional connectivity with the medial prefrontal cortex. This produces exaggerated emotional reactivity and impairs fear extinction.

Question 15 Learning Strategies

What is the "one-thing-at-a-time" rule for flashcards?

Each card asks exactly one question. Bundling two facts lets "I knew one of them" feel like success and lets gaps persist. Connecting new information to what you already know, asking yourself how and why things work, and creating detailed mental models that weave new ideas into existing ones. Older learning interfering with new learning. Minimise by fully retrieving old material before starting new, and by varying contexts between study sessions. About 25–50 minutes of focused work followed by 5–10 minutes of rest (matches Pomodoro). Beyond ~90 minutes without a break, encoding quality drops sharply.

Question 16 Learning Strategies

What is the Generation Effect in cognitive psychology?

Limits include: (1) developmental constraints (children under ~7 show reduced generation effects), (2) tasks requiring pure perception rather than memory show no benefit, and (3) excessive interference from semantically similar materials can diminish or eliminate the effect. When each member prepares to teach a portion of the material, everyone engages in deeper encoding, anticipates peer questions, and benefits from retrieval practice—even members who feel less expert gain from explaining. The Generation Effect is the phenomenon where information is better remembered when it is actively generated (produced from memory) rather than passively read or studied. It demonstrates that effortful retrieval production enhances memory encoding beyond simple exposure. Recovery sleep largely restores encoding and retrieval deficits, though some impairments may persist depending on severity and duration of deprivation. Most consolidation deficits recover after one or two full nights of sleep.

Question 17 Learning Strategies

How does feedback interact with productive guessing?

Feedback is essential to productive guessing — without it, guesses remain uncalibrated misconceptions. Effective feedback must be timely, specific, and address the learner's wrong answer directly so the cognitive system can detect and resolve the prediction error. The Generation Effect is the phenomenon where information is better remembered when it is actively generated (produced from memory) rather than passively read or studied. It demonstrates that effortful retrieval production enhances memory encoding beyond simple exposure. Deep: thinking about meaning, connections, applications. Shallow: focus on surface features (font, colour, repeated reading). Deep processing produces stronger, longer-lasting memory. Repeated passive exposure to material increases familiarity and the subjective feeling of knowing — without improving actual recall. A major cause of the illusion of knowing.

Question 18 Learning Strategies

What evidence exists that fluency improvements plateau?

Studies show that fluent (fast) performance can be achieved in a relatively short number of practice sessions, after which additional practice produces little further speed gain. This plateau is reached well before retention would be maximally strengthened. Recognition: "Which of these is X?" — easy to pass without learning. Production: "Define X" — requires actual retrieval. Production cards almost always beat recognition. SWS dominates the first half of the night, while REM sleep increases in the second half. This distribution reflects the differing roles of early-night and late-night sleep in memory processing. Best practices include: close-the-book recall, practice questions before reading, flashcards with retrieval (not just review), deliberately attempting answers, tracking confidence, and reviewing errors carefully. These transform passive study time into active generative learning.

Question 19 Learning Strategies

What is the context-dependence of skill decay?

Skills are partly stored in connection with the context in which they were practiced. Skill decay is often greater when the test environment differs from the practice environment, a phenomenon known as context-dependent forgetting. A consistent physical context (desk, playlist, lighting) that becomes associated with study. Over time the cue itself helps focus and signals "study mode" to your brain. Repeated passive exposure to material increases familiarity and the subjective feeling of knowing — without improving actual recall. A major cause of the illusion of knowing. Mistakes a learner is highly confident about are corrected more durably than low-confidence mistakes. Implication: surface and test confidence levels, not just answers.

Question 20 Learning Strategies

What is wrong with the "10 000-hour rule"?

A small random jitter (typically ±5%) added to intervals so multiple cards reviewed on the same day don't all come due at once — spreads review load. Studies show that fluent (fast) performance can be achieved in a relatively short number of practice sessions, after which additional practice produces little further speed gain. This plateau is reached well before retention would be maximally strengthened. Skill decay is the loss of proficiency in a previously learned skill due to non-use or time passing since practice. The rate of decay depends on the complexity of the skill, the degree of original learning, and intervening experience. Gladwell's claim that 10 000 hours guarantees expertise ignores quality of practice, individual differences, and that many domains show diminishing returns far earlier.

Question 21 Learning Strategies

What is the "85% rule" for optimal learning difficulty?

Interleaved practice mixes different problem types within a session rather than blocking one type at a time. It feels harder and reduces within-session fluency but improves discrimination, retention, and transfer — building more flexible automaticity than blocked practice. Beginners often rate their knowledge far higher than it deserves because they lack the expertise to recognise gaps. The effect fades with deliberate, feedback-rich practice. Skills are partly stored in connection with the context in which they were practiced. Skill decay is often greater when the test environment differs from the practice environment, a phenomenon known as context-dependent forgetting. Material should be at ~85% accuracy — challenging enough to feel difficult but not so hard that errors dominate. Maps to the desirable-difficulty sweet spot.

Question 22 Learning Strategies

What is a "distributed lag" study schedule?

Multiple study sessions spread across days, each separated by increasing gaps. Strongest form of distributed practice; outperforms cramming by wide margins. Adenosine accumulates during wakefulness and promotes sleep pressure. Elevated adenosine after sleep deprivation impairs hippocampal LTP and synaptic plasticity. Caffeine's benefit partly stems from blocking adenosine A1/A2A receptors. The backward effect is enhanced memory for information that was on the pre-test itself after subsequent study. A pre-test acts as both a learning event (forward effect) and a retrieval-practice event (backward effect), making it a uniquely efficient study activity. A rich mental structure grouping patterns in a domain, letting experts recognise situations and chunk information quickly. Building schemas is the goal of most instruction.

Question 23 Learning Strategies

What is "post-testing" as a study technique?

Rote: silent repetition. Meaningful: linking to existing knowledge. Elaborative: generating associations, images, or explanations. Elaborative rehearsal produces the strongest long-term memory. The backward effect is enhanced memory for information that was on the pre-test itself after subsequent study. A pre-test acts as both a learning event (forward effect) and a retrieval-practice event (backward effect), making it a uniquely efficient study activity. Testing yourself shortly after a study session. Produces significantly better delayed retention than re-reading the same material. Fluency is the speed and ease with which a skill is performed, often measured during or shortly after practice. Retention is the persistence of the skill over time, measured after a delay. High fluency at practice time does not guarantee strong retention.

Question 24 Learning Strategies

How do these techniques support long-term retention?

All four promote desirable difficulties: effortful retrieval, generation, and elaboration that feel harder than re-reading but produce stronger, more durable memory traces and better transfer after delays. About 20–30 words on the front and a short, unambiguous back. Longer cards punish skim-reading and reduce the depth of retrieval. Effortful: requires attention and working memory (early in learning). Automatic: runs with little conscious control (after extensive practice). Strong learning begins effortful and ends automatic. About 25–50 minutes of focused work followed by 5–10 minutes of rest (matches Pomodoro). Beyond ~90 minutes without a break, encoding quality drops sharply.

Question 25 Learning Strategies

How does generating an answer differ from reading it in terms of cognitive processing?

Adenosine accumulates during wakefulness and promotes sleep pressure. Elevated adenosine after sleep deprivation impairs hippocampal LTP and synaptic plasticity. Caffeine's benefit partly stems from blocking adenosine A1/A2A receptors. The savings method measures the relative difference between the number of repetitions needed to initially learn material and the number needed to relearn it after a delay. Positive savings indicate some memory persists, quantifying forgetting and retention. Forgetting between attempts caused by switching between different skills. High contextual interference hurts performance during practice but improves long-term retention. Generation requires deeper semantic elaboration and active manipulation of memory representations, whereas reading primarily involves perceptual processing. Generation taps into existing knowledge structures to produce novel responses, creating richer and more distinctive memory traces.

Question 26 Learning Strategies

What is "pre-testing" as a study technique?

Massed practice is cramming — studying a lot in one sitting. Distributed practice spreads study over time. Distributed practice leads to far better long-term retention. Taking a short quiz on material before you have studied it. Even wrong guesses prime the brain to encode the upcoming information more deeply. It resets the card into relearning, sets the interval to a short "learning step", and reduces its ease factor — placing it back into heavy review. Confusing the ease of recognising correct answers with effort-free recall. Fluency is a poor proxy for learning — only delayed, unprompted retrieval tells the truth.

Question 27 Learning Strategies

What is desirable difficulty?

The principle that learning conditions that feel harder in the moment (retrieval practice, interleaving, spacing) often produce stronger long-term memory than easier conditions. The term was popularized by John H. Falk and Lynn D. Dierking, though the underlying phenomenon has been documented in educational psychology research for decades. Make studying effortful enough to create memory, but structured enough to stay consistent. Tendency to learn material more deeply when expecting to teach it — even if no teaching ever occurs. A reliable free boost from reframing study intent.

Question 28 Learning Strategies

How does sleep deprivation impair encoding (learning)?

Complex skills generally decay slower than simple ones in absolute terms but may show larger relative losses if not practiced. Simple skills reach a high performance ceiling quickly but have less 'slack' before degradation becomes visible. Sleep deprivation reduces encoding capacity by impairing attention, working memory, and hippocampal function. Hippocampal LTP (long-term potentiation) is reduced, and fMRI shows decreased hippocampal activation during learning after sleep loss. Retrieval cues work best when they match the encoding context. Studying the same material in different ways builds more retrieval routes. Combining verbal information with visual representations (diagrams, charts, mind maps). Processing information through two channels strengthens encoding and recall.

Question 29 Learning Strategies

What is worked-example fading?

Retrieval cues work best when they match the encoding context. Studying the same material in different ways builds more retrieval routes. Yes — generation can occasionally introduce interference, particularly when the generated response is highly activated and incorrect (creating memory blocking). This is more likely with semantically similar items, where generation may produce persistent intrusions in later recall. A teaching technique that starts with fully worked examples and gradually removes steps as the learner develops competency — scaffolding toward independent problem-solving. Sleep produces offline performance gains in motor skills without further practice. Stage 2 and REM sleep both contribute: early-night SWS stabilizes the skill, while late-night REM supports procedural refinement and automatization.

Question 30 Learning Strategies

What is the "method of loci" and how does it work?

Surface: memorise for the test, focus on facts, no integration. Deep: seek meaning, integrate with prior knowledge, look for principles. Deep approaches predict far better long-term outcomes. A card flagged after many lapses (Anki default: 8) signals a bad card, not a bad memory — rewrite it, split it, or delete it. EEG during SWS shows slow oscillations (<1 Hz) that nest spindles (12–15 Hz), which in turn couple to ripples (80–200 Hz). This triple coupling (SO-spindle-ripple) is considered a biomarker of successful memory consolidation. Placing items to be remembered along a familiar mental route (rooms in your house). Recalling the route sequentially re-triggers each item — extremely powerful for ordered lists.

Question 31 Learning Strategies

Which sleep stage is most important for declarative (hippocampal) memory?

Proposed by Tononi and Cirelli, SHY proposes that sleep downscales overall synaptic strength accumulated during waking, preserving strongly potentiated (important) synapses while weakening weaker ones, thereby improving the signal-to-noise ratio for memory. Slow-wave sleep (N3) is most critical for consolidating declarative memories such as facts, episodes, and spatial information. Hippocampal sharp-wave ripples during SWS drive replay and transfer to the neocortex. A learning technique where material is reviewed at gradually increasing intervals. Each successful recall pushes the next review further into the future, optimising long-term retention. Emotional arousal interacts with memory consolidation: moderate arousal can strengthen procedural memory, while extreme stress may impair explicit recall but sometimes preserves habitual responses. Retention is also better for skills learners are motivated to maintain.

Question 32 Learning Strategies

What is "deep encoding" via multisensory input?

The Leitner system uses discrete boxes (typically 5) and moves cards up or down based on recall. SM-2 uses continuous ease factors and 0–5 quality grades for finer scheduling. Engaging multiple senses during encoding (reading + speaking + writing) builds overlapping retrieval cues and improves both speed and reliability of recall. Young: interval < 21 days. Mature: interval ≥ 21 days. Mature cards are considered reliably learned but still need periodic review to remain stable. Diminishing returns describes the pattern where each additional unit of practice yields progressively smaller gains in performance or learning. Early practice produces rapid improvement, while later practice produces only marginal gains, following roughly a power-law or exponential learning curve.

Question 33 Learning Strategies

What is "re-reading" and why is it weak despite feeling helpful?

Re-reading boosts short-term familiarity sharply but produces minimal long-term retention. Each re-read feels easier (fluency) but adds little new encoding. Revonsuo's and Cartwright's theories propose dreams simulate threats or rehearse social interactions, allowing safe reprocessing of emotional content. Sleep—especially REM—reduces the emotional intensity of memories while preserving factual content. Recognition: identifying the correct answer among options (multiple choice). Recall: producing the answer with no prompt. Recall is far harder and a stronger learning event. Distributed practice of physical skills (typing, instruments, sport). Same spacing principles as declarative learning — short daily sessions beat occasional marathon practice.

Question 34 Learning Strategies

What is a "study schedule" vs a "study plan"?

Desirable difficulties (Bjork & Bjork) are learning conditions — such as spacing, interleaving, or testing — that slow performance during practice but enhance long-term retention. They illustrate the dissociation between fluency during practice and durable learning. All four promote desirable difficulties: effortful retrieval, generation, and elaboration that feel harder than re-reading but produce stronger, more durable memory traces and better transfer after delays. Formative: low-stakes checks during learning (quizzes, flashcards) used to guide study. Summative: high-stakes final check (an exam) measuring outcomes. Schedule: specific calendar of what/when to study. Plan: longer-horizon set of goals, priorities, and methods. A study plan produces a study schedule.

Question 35 Learning Strategies

What is the Feynman technique?

High-confidence errors likely reflect strong (but incorrect) memory representations. When corrective feedback contradicts a highly confident response, it generates a large prediction error signal that triggers deeper processing and memory updating, resulting in better subsequent memory. Explain a concept in simple terms (as if to a 12-year-old), identify gaps in your understanding, go back and fill those gaps, then simplify again. Reconsolidation is the process by which a retrieved memory becomes labile again and must be re-stored. It allows memories to be updated, strengthened, weakened, or integrated with new information before being saved again. Continuing to practice beyond the point of initial mastery. It can automate skills and reduce forgetting, but has diminishing returns compared to spaced retrieval.

Question 36 Learning Strategies

What is "blocked practice" vs "interleaved practice"?

Passive input (reading, watching) is far less effective than active output (writing, explaining, solving problems). Effective learners lean heavily toward output. Asking "why" forces the learner to construct causal connections between new facts and prior knowledge, which creates richer memory traces and supports later retrieval and transfer. Blocked: many problems of the same type consecutively. Interleaved: mixed problem types in a session. Blocked feels easier; interleaved produces better long-term transfer. Craik & Lockhart (1972): memory depends on encoding depth. Structural → shallow, phonemic → mid, semantic → deep. Deeper levels produce stronger, longer-lasting memories.

Question 37 Learning Strategies

Why does the Feynman Technique work?

Mastery: a topic isn't moved past until ≥80–90% accuracy. Spaced repetition: mastery is assumed once and reviews continue to prevent forgetting. They are complementary. A cap on how far out the algorithm can schedule a card (e.g., 365 days). Prevents a single card from disappearing for years and being forgotten entirely. Willpower and focus drain over a study session. Avoid by scheduling hardest material early, taking real breaks, and capping session length at 60–90 minutes. It forces active recall, exposes knowledge gaps, promotes deep processing, and requires simplification—which together strengthen neural connections and reveal misunderstandings that passive reading hides.

Question 38 Learning Strategies

What is a "leech" in spaced repetition and what should you do?

Generating the answer yourself (even if incorrect) before seeing it produces better memory than simply reading the answer. Struggling to retrieve is beneficial. A card flagged after many lapses (Anki default: 8) signals a bad card, not a bad memory — rewrite it, split it, or delete it. Even a single night of sleep deprivation reduces retrieval accuracy without necessarily destroying the underlying memory. Critically, memories are temporarily inaccessible but can recover after recovery sleep—a phenomenon related to prefrontal-hippocampal disconnection. Sleep produces offline performance gains in motor skills without further practice. Stage 2 and REM sleep both contribute: early-night SWS stabilizes the skill, while late-night REM supports procedural refinement and automatization.

Question 39 Learning Strategies

What are the benefits of napping for memory?

Proposed by Buzsáki and others, this hypothesis states that during SWS, the hippocampus reactivates recent memory traces, transferring them to the neocortex for long-term storage through hippocampal-neocortical coupling. The glymphatic system is a brain-wide perivascular network that clears metabolic waste, including amyloid-β and tau, via cerebrospinal fluid flow. Its activity is dramatically increased during sleep, especially during SWS when interstitial space expands. Naps—even as short as 6–10 minutes—can improve encoding, alertness, and motor learning. Longer 60–90 minute naps containing both NREM and REM support declarative and procedural consolidation similar to nighttime sleep. Test the first 20 cards on a new topic before generating more. If you can't phrase them as clean questions, you don't yet understand the material well enough to encode it.

Question 40 Learning Strategies

What is Errorful Learning?

Reconsolidation is the process by which a retrieved memory becomes labile again and must be re-stored. It allows memories to be updated, strengthened, weakened, or integrated with new information before being saved again. Errorful Learning is the principle that making errors during initial learning is beneficial when followed by corrective feedback. Contrasts with errorless learning, errorful learning leverages the brain's enhanced attention to surprising feedback (errors) to strengthen correct memory traces. Focusing on the ~20% of concepts that account for ~80% of the results in a domain — identifying core principles and high-leverage knowledge first. Exposure to a stimulus increases the speed/accuracy of responding to a related stimulus later. Reading a chapter's summary primes the body to be encoded more deeply.

Question 41 Learning Strategies

What is "parameter variation" in variable practice?

A focused period of intense study on one topic (e.g., 25–50 minutes), followed by a break, designed to maximise concentration and encoding. A consistent physical context (desk, playlist, lighting) that becomes associated with study. Over time the cue itself helps focus and signals "study mode" to your brain. Changing non-essential features of a problem (numbers, names, contexts) while holding the underlying structure constant — trains flexible application of the principle. Hermann Ebbinghaus's finding that memory decays exponentially over time without reinforcement — we forget ~50% within an hour and ~70% within 24 hours of learning.

Question 42 Learning Strategies

What is a 'power nap' and why is it limited?

Dreaming, especially in REM, may reflect memory integration and consolidation processes—random activation of memory fragments combined with emotional content. The continuity hypothesis suggests dreams incorporate recent waking experiences into long-term networks. A power nap is a brief 10–20 minute sleep that mainly consists of N1 and N2. It improves alertness and motor learning but does not include SWS or significant REM, so its consolidation benefits are partial. Recall assisted by a partial prompt — a card front, the first letter, or a category. Intermediate in difficulty between free recall and recognition. A second card with the answer on the front and the original question on the back, allowing bidirectional recall (e.g., country ↔ capital). Useful for paired facts; doubles deck size.

Question 43 Learning Strategies

What role does metacognition play in pre-testing?

Explain a concept in simple terms (as if to a 12-year-old), identify gaps in your understanding, go back and fill those gaps, then simplify again. Pre-testing provides valuable metacognitive feedback, revealing what you do and don't know. This allows learners to allocate study time more efficiently by focusing on weak areas, and research (e.g., Little & McDaniel, 2015) shows pre-testing improves metacognitive accuracy. Kapur (2008) introduced the productive failure framework, arguing that struggling with complex problems before receiving instruction leads to better conceptual learning when the instruction is eventually provided. The failure state activates and prepares prior knowledge. Keith Pressley and colleagues helped formalize the technique, though it draws on earlier work by researchers like John Bransford showing that asking "why" promotes deeper processing.

Question 44 Learning Strategies

What is memory consolidation?

Feedback is essential to productive guessing — without it, guesses remain uncalibrated misconceptions. Effective feedback must be timely, specific, and address the learner's wrong answer directly so the cognitive system can detect and resolve the prediction error. A small random jitter (typically ±5%) added to intervals so multiple cards reviewed on the same day don't all come due at once — spreads review load. Memory consolidation is the process by which labile, newly encoded memories are stabilized into long-term storage. It involves synaptic and systems-level changes over minutes to years, with sleep playing a critical role in many consolidation processes. Memories are easier to retrieve when internal state (alertness, mood) matches encoding. Vary study states to build robust, context-independent retrieval.

Question 45 Learning Strategies

What is "intrinsic motivation" vs "extrinsic motivation" in self-directed learning?

A visual diagram that branches out from a central concept to related ideas. Useful for brainstorming, understanding relationships, and creating study overviews. Intrinsic: curiosity, interest, mastery. Extrinsic: rewards, deadlines, social pressure. Intrinsic generally produces deeper engagement and persistence — extrinsic is useful but fragile. Mastery: a topic isn't moved past until ≥80–90% accuracy. Spaced repetition: mastery is assumed once and reviews continue to prevent forgetting. They are complementary. Re-reading boosts short-term familiarity sharply but produces minimal long-term retention. Each re-read feels easier (fluency) but adds little new encoding.

Question 46 Learning Strategies

What is the key difference between Self-Explanation and the Feynman Technique?

Pre-Testing is the practice of attempting to answer questions about material before the material has been formally studied. Even incorrect answers produce measurable benefits for subsequent learning, demonstrating that retrieval attempts prime the brain for deeper encoding. Self-Explanation involves generating explanations for oneself, while the Feynman Technique adds an external audience (teaching a child) and an explicit simplification step, making it more structured and diagnostic. Early self-testing reveals gaps and creates stronger memory than waiting until the material feels familiar. Desirable difficulties (Bjork & Bjork) are learning conditions — such as spacing, interleaving, or testing — that slow performance during practice but enhance long-term retention. They illustrate the dissociation between fluency during practice and durable learning.

Question 47 Learning Strategies

How does semantic relatedness moderate the Generation Effect?

Pre-Testing is the practice of attempting to answer questions about material before the material has been formally studied. Even incorrect answers produce measurable benefits for subsequent learning, demonstrating that retrieval attempts prime the brain for deeper encoding. Mistakes a learner is highly confident about are corrected more durably than low-confidence mistakes. Implication: surface and test confidence levels, not just answers. Placing items to be remembered along a familiar mental route (rooms in your house). Recalling the route sequentially re-triggers each item — extremely powerful for ordered lists. When target items come from the same semantic category (e.g., all fruits), generation effects are reduced because generated items may interfere with one another. With unrelated or mixed items, generation produces larger benefits because there's less competition during retrieval.

Question 48 Learning Strategies

How does SM-2 compute the next interval after a successful review?

The power law of practice states that reaction time or error rate on a task decreases as a power function of the number of practice trials: \( RT = aN^{-b} \), where \(N\) is practice amount and \(a, b\) are constants. Each doubling of practice yields a fixed proportional improvement. A personal knowledge system of atomic, interlinked notes (originally by Niklas Luhmann). Each idea gets a unique ID and links to related notes — designed for synthesis, not just storage. After repetition 1 → 1 day; repetition 2 → 6 days; repetition n≥3 → previous interval × ease factor. Studying under conditions similar to the exam (time of day, caffeine intake, posture) tends to improve in-exam retrieval — though robust retrieval still needs varied contexts.

Question 49 Learning Strategies

How does overlearning affect the forgetting curve?

Intrinsic: inherent task complexity. Extraneous: wasted by poor design. Germane: effort invested in building schemas. Goal: minimise extraneous, manage intrinsic, maximise germane. Performance rises with arousal up to an optimum, then falls. For learning, mild challenge is helpful; severe stress or exhaustion blocks encoding almost completely. A learning technique where material is reviewed at gradually increasing intervals. Each successful recall pushes the next review further into the future, optimising long-term retention. Overlearning flattens the forgetting curve by raising the baseline of memory strength. After overlearning, information is forgotten more slowly and a larger proportion survives at any given retention interval compared to learning that stopped at criterion.

Question 50 Learning Strategies

How does massed practice differ from spaced practice?

fMRI studies show that generation engages left prefrontal cortex and hippocampal regions more strongly than reading. Generating engages effortful retrieval networks, and the hippocampus preferentially encodes self-generated information through distinctiveness processes. Massed practice packs repetitions into a single continuous session (e.g., cramming), while spaced practice distributes repetitions across multiple sessions over time. Spaced practice generally produces superior long-term retention despite slower apparent fluency gains during practice. TMR is a technique where cues (sounds/odors) presented during learning are replayed during SWS to enhance consolidation. Pioneered by Rudoy and others, it selectively strengthens specific memories, demonstrating causal links between replay and memory. Naps—even as short as 6–10 minutes—can improve encoding, alertness, and motor learning. Longer 60–90 minute naps containing both NREM and REM support declarative and procedural consolidation similar to nighttime sleep.