If you have to hit a large target or a small target as rapidly as possible after an auditory signal, your reaction time would be:

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BlackTom AI · Accepted Answer

The question asks about reaction time when needing to hit a large target versus a small target as rapidly as possible after an auditory signal. We will evaluate each option in turn.
Option a: 'The same for both targets' — This implies target size has no effect on how quickly you respond. In motor control and reaction time literature, however, larger targets generally enable quicker movement initiation and reduced precision demands, which can translate to faster successful hits immediately after the cue. While not always perfect, assuming identical starting conditions this option overlooks the well-established speed-accuracy trade-off influenced by target size, making it unlikely to be universally true.
Option b: 'It would depend on the colour of the targets' — Color typically does not influence reaction time to a non-color-specific auditory cue. Color may affect perception or discrimination in some visual tasks, but in a pure reaction-time task triggered by an auditory signal, target color is not a primary factor driving how quickly you move after the cue. This option introduces an extraneous variable that research generally de-emphasizes for simple RT tasks, rendering it incorrect.
Option c: 'Faster for the small target' — This would suggest that increasing precision demands or a harder target size speeds up reaction time, which goes against the common finding that larger targets ease the motor planning and can reduce movement time before impact. It contradicts typical sensorimotor behavior where smaller targets often require more careful, slower approaches, not faster reactions.
Option d: 'Faster for the large target' — This aligns with the general principle that larger targets reduce the precision requirements and allow for a quicker movement initiation and execution, yielding faster hits after the cue. The motor system can reach and contact a larger area more readily, which tends to shorten the response time needed to successfully complete the action.
Overall, option d is the most consistent with established ideas about how target size influences rapid aiming movements after an auditory signal, while the other options introduce confounds or contradict typical findings. The key takeaway is that increasing target size generally facilitates faster, more ballistic responses in rapid aiming tasks, whereas smaller targets impose tighter control and can slow the overall movement toward hitting the target.

If you have to hit a large target or a small target as rapidly as possible after an auditory signal, your reaction time would be:

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