Motor learning, feedback and retention
도입됨| English | 의미 |
|---|---|
| knowledge of results/ˈnɒlɪdʒ ɒv rɪˈzʌlts/ | 결과 피드백 |
| retention/rɪˈtenʃn/ | 유지 |
What would explain this observation?
- A learner performs well while a coach gives constant instructions, then struggles the next day. Immediate performance and retained learning are different outcomes.
- Start with a prediction. State the quantities or features you would compare, then decide what evidence could distinguish two explanations.
Build the model
- Motor learning is a relatively lasting change in movement capability from practice. Knowledge of results 结果反馈 concerns the outcome; knowledge of performance concerns movement quality.
- retention 保持: Persistence of learning after a delay; knowledge of results: Feedback about the task outcome.
Which measure best tests lasting learning?
난이도 1/5 · 100 코인 + 오늘 첫 완료 시 소액 보너스
Learning is a lasting change, so it is tested by performance after a delay without help. Strong performance while the coach corrects every attempt may reflect guidance, not learning; favourite colour is irrelevant to the skill.
Match each technical term to its precise meaning.
난이도 2/5 · 140 코인 + 오늘 첫 완료 시 소액 보너스
Use the definitions to distinguish related quantities and processes.
Choose evidence that can test it
- A retention test after a delay and without the same assistance can provide evidence of learning. Practice conditions, prior experience and task difficulty need control before comparing feedback methods.
- Use a low-risk target task, equal practice time, random or balanced assignment, and a delayed retention test. Record outcome accuracy separately from movement quality. Seek consent and avoid labels about a participant ability or personality.
Which two habits make the investigation or model in this case more defensible?
난이도 2/5 · 140 코인 + 오늘 첫 완료 시 소액 보너스
Stating the conditions and assumptions lets others repeat the work exactly, and recording the supporting evidence lets them check the conclusion. Hiding disagreeing results removes the evidence that could challenge a wrong conclusion, and one measurement can never establish a wider claim.
Work from known quantities
- State the known values and their units. Choose the relation because its assumptions fit this case, then rearrange before substitution.
- Known: 12 of 20 throws hit a target during retention. Accuracy = successful attempts/total attempts ×100 = 12/20×100 = 60%. Another group at 70% is not automatically superior without sample variability and comparable starting performance.
15 of 25 retention attempts succeed. Find success percentage. Use the same sequence: known quantities → model → relation → substitution → unit and interpretation.
15 of 25 retention attempts succeed. Find success percentage.
난이도 2/5 · 140 코인 + 오늘 첫 완료 시 소액 보너스
The result is 60 %. Known: 15 of 25 retention attempts succeed. Use success percentage = successes / total x 100. Percentage = 15/25 x 100 = 60%. This retention score, not the guided-practice score, is the evidence of learning.
Check the conclusion and its limits
- More feedback is not always better for independent performance. A short-term improvement alone does not demonstrate a lasting learning change.
- Return to the original observation. Explain what the result supports, which conditions it assumes, and one way to test a competing explanation.
High performance during guided practice always proves lasting motor learning. This claim is false: Guided practice props up performance; when the guidance is removed, performance often drops. Lasting learning is shown by delayed, unassisted retention - which is why the retention test exists.
Motor learning, feedback and retention: A retention test after a delay and without the same assistance can provide evidence of learning. Practice conditions, prior experience and task difficulty need control before comparing feedback methods.
High performance during guided practice always proves lasting motor learning.
난이도 1/5 · 100 코인 + 오늘 첫 완료 시 소액 보너스
Guided practice props up performance; when the guidance is removed, performance often drops. Lasting learning is shown by delayed, unassisted retention - which is why the retention test exists.
Persistence of learning after a delay: write the technical term.
난이도 1/5 · 100 코인 + 오늘 첫 완료 시 소액 보너스
retention means Persistence of learning after a delay.