| Date | May 2022 | Marks available | 1 | Reference code | 22M.1.SL.tz0.27 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 27 | Adapted from | N/A |
Question
A researcher is designing a study to assess free-throw ability in basketball. How could they improve the reliability of the data?
I. Increase the number of participants
II. Allow participants to record their own scores
III. Increase the number of trials per participant
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
B
Examiners report
This was considered the least difficult question on the paper. With nearly all candidates selecting the correct answer of B.
