ANT {ez}

ANT data

Description

Simulated data from then Attention Network Test (see reference below), consisting of 2 within-Ss variables (“cue” and “flank”), 1 between-Ss variable (“group”) and 2 dependent variables (response time, “rt”, and whether an error was made, “error”)

Usage

data(ANT)

Format

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

subnum

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 None Center Double Spatial

flank

a factor with levels Neutral Congruent Incongruent

location

a factor with levels down up

direction

a factor with levels left right

rt

a numeric vector

error

a numeric vector

Author(s)

Michael A. Lawrence [e-mail]
Visit the ez development site at http://github.com/mike-lawrence/ez
for the bug/issue tracker and the link to the mailing list.

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.

Examples

data(ANT)
head(ANT)
ezPrecis(ANT)