ANT {ez}R Documentation

ANT data

Description

Simulated data from then Attention Network Test (see reference below), consisting of 2 within-Ss variables ("cue" and "flanker"), 1 between-Ss variable ("group") and 2 dependent variables (response time, "rt", and accuracy, "acc")

Usage

data(ANT)

Format

A data frame with 5760 observations on the following 10 variables.

sid
a factor with levels 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
group
a factor with levels Control Treatment
block
a numeric vector
trial
a numeric vector
cue
a factor with levels No Cue Center Cue Double Cue Spatial Cue
flanker
a factor with levels Neutral Flanker Congruent Flanker Incongruent Flanker
location
a factor with levels down up
direction
a factor with levels left right
rt
a numeric vector
acc
a numeric vector

References

J Fan, BD McCandliss, T Sommer, A Raz, MI Posner (2002). Testing the efficiency and independence of attentional networks. Journal of Cognitive Neuroscience, 14, 340-347.

See Also

ezANOVA, ezCor, ezPerm, ezPlot, ezStats

Examples

data(ANT)
head(ANT)
str(ANT)
summary(ANT)

[Package ez version 1.6 Index]