Measuring physical activity

Question 1

Tools used to measure PA

Answer 1

Personal diary, pedometers, accelerometers, recall survey, direct observation

Question 2

Subjective measures of PA

Answer 2

Relies on a person recalling or remembering which activities they participated in and their perception of intensity. Useful for measuring a larger group and for a lower cost

Question 3

Objective measures of PA

Answer 3

Relies on the information presented by another person through direct observation or a form of device. They are much more expensive but more accurate.

Question 4

Disadvantages of Subjective measures

Answer 4

Not accurate, self-bias, cognitive issues

Question 5

Advantages of Subjective measures

Answer 5

Cheaper, useful to measure larger groups of people

Question 6

Disadvantages of Objective measures

Answer 6

Expensive, technological issues

Question 7

Advantages of Objective measures

Answer 7

accurate, small and compatible, worn as accessory, efficient