| Date | May 2016 | Marks available | 1 | Reference code | 16M.1.SL.tz0.25 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | What | Question number | 25 | Adapted from | N/A |
Question
What factors contribute to reaction time?
A. Stimulus transmission and nerve transmission
B. Signal detection and muscle movement time
C. Nerve transmission and intrinsic feedback
D. Initiation of an action and extrinsic feedback
Markscheme
A
Examiners report
A difficult question, with B as the main distractor. More candidates chose B than A (correct response). It is possible a significant number of candidates confused reaction time with response time.
Syllabus sections
- 19N.1.SL.tz0.23: Which statement characterizes Hick’s Law? A. As the number of stimuli increases, the...
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21N.1.SL.tz0.25:
The graphs represent how reaction time changes when additional possible outcomes are introduced into a situation. Which graph represents Hick’s Law?
- 22M.1.SL.tz0.24: Which is an example of reaction time at the start of a 100 m swimming race? A. The time it...
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21M.1.SL.tz0.25:
What is Hick’s Law?
A. There is an increase in reaction time with increased number of choices.
B. There is a decrease in reaction time with increased number of choices.
C. There is an increase in movement time with increased number of choices.
D. There is a decrease in movement time with increased number of choices.
