Attention & Processing Speed30–90 secBurden: LowEMA: High

Choice Reaction Time

A response-selection task where participants identify which stimulus appeared and tap the matching answer.

Decision speedAttention
Category
Attention & Processing Speed
Typical duration
30–90 sec
Participant burden
Low
EMA suitability
High

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Task parameters

30–90 secBurden: LowEMA: High

This is a researcher preview. No participant data is recorded.

Simulated participant view

9:41

Choice Reaction Time

A response-selection task where participants identify which stimulus appeared and tap the matching answer.

No data is recorded

Participant experience on smartphone

A central stimulus with 2–4 large response options.

When to use

Useful when the study needs more than pure motor speed but still wants a very short tap-based task.

When not to use

Less useful if richer executive demands are required.

How to use in a study

Begin with two-choice versions and expand only when justified.

Researcher-configurable parameters

  • Number of choices
  • Stimulus family
  • Total trials
  • Practice enabled / disabled

Outputs collected

  • Accuracy
  • Median reaction time
  • Errors by stimulus type

Interpretation notes

Works well as a bridge between simple RT tasks and more rule-based executive tasks.

Scientific evidence

  • Choice-style quick-tap paradigms are common in mobile cognitive batteries and add response-selection demands.

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