stroopdata {prepdat} | R Documentation |
Reaction-times and accuracy for color naming in a Stroop task (e.g., Stroop, 1935).
Description
A dataset containing reaction-times, accuracy, and other attributes of 5400 experimental trials.
Usage
data(stroopdata)
Format
A data frame with 5401 rows and 10 columns:
- subject
Case identifier, in numerals
- block
Percent of congruent target_type trials in a block. 1 means 80 percent congruent, 2 means 20 percent congruent
- age
Age of subject, in integers
- gender
Gender of subject, in integers. 1 means male, 2 means female
- order
Order of blocks, in integers. 1 means subject did 80 percent congruent block first and 20 percent congruent block second. 2 means subject did 20 percent congruent block first and 80 percent congruent block second.
- font_size
Font size of the stimulus, in integers
- trial_num
Trial number, in integers
- target_type
Type of stimulus for a given trial. 1 means congruent stimulus, 2 means incongruent stimulus
- rt
Reaction time, in milliseconds
- ac
Accuracy, 1 means correct, 0 means incorrect
References
Stroop, J. R. (1935). Studies of interference in serial verbal reactions. Journal of experimental psychology, 18(6), 643.
Examples
data(stroopdata)
head(stroopdata)