Week 4 (ML) - Assessing Skill in Motor Learning

Question 1

What are common indicators of movement skill?

Answer 1

• Goal Achievement certainty level - accuracy with low error
• Consistency
• Controlled modifiability
• Low Energy Expenditure

Question 2

What is Absolute Error vs Relative Error

Answer 2

Absolute Error
- Mean innaccuracy, error
- distance from a given point

Relative Error
- Relative error gives a sense of the size of the error in relation to the magnitude of what’s being measured, which can be especially useful when comparing errors across measurements of different scales
- Coefficient of variation - measures the degree of spread in the error
- Standard deviation

Question 3

What are basic performance outcome measures?

Answer 3

• Magnitude
• Accuracy
• Time taken to completion
• Reaction and response time
• No. of successful attempts

Question 4

What are the 2 key methods for measuring motor learning performance?

Answer 4

Qualitative

Quantitative