| Date | November 2021 | Marks available | 1 | Reference code | 21N.1.SL.tz0.25 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 25 | Adapted from | N/A |
Question
The graphs represent how reaction time changes when additional possible outcomes are introduced into a situation. Which graph represents Hick’s Law?
Markscheme
C
Examiners report
The most difficult question in the paper which had most candidates selecting option A. Something for teachers to go over with their students (Hick's Law) when they go over this part of the topic.
