IATScore: Package to score Implicit Association Test (IAT) output

In IATScore: Scoring Algorithm for the Implicit Association Test (IAT)

Description

This minimalist package developed by Daniel Storage is designed to quickly score raw data outputted from an Implicit Association Test (IAT; Greenwald, McGhee, & Schwartz, 1998). IAT scores are calculated as specified by Greenwald, Nosek, and Banaji (2003). Outputted values can be interpreted as effect sizes. Refer to the DESCRIPTION file for more detailed help information (or contact me at [e-mail]).

Usage

IATScore(IAT, Trials, First)

Arguments

IAT	The name of the dataset to be analyzed.
Trials	The number of trials across your entire IAT. The default is set to 219, which is typical of most IATs.
First	Whether participants first sorted Congruent or Incongruent trials. The default is set to Congruent.

Examples

IATScore(IAT)
IATScore(IAT, Trials=219)
IATScore(TooFastIAT, Trials=219)
IATScore(BriefIAT, Trials=139)
IATScore(IAT, Trials=219, First="Congruent")
IATScore(IAT, Trials=219, First="Incongruent")

Example output

Seconds taken to run this code:
0.019
 
The IAT effect size for this participant is:
[1] 0.09583769
Seconds taken to run this code:
0.014
 
The IAT effect size for this participant is:
[1] 0.09583769
Seconds taken to run this code:
0.013
 
NOTE: THE PARTICIPANT WENT TOO FAST ON THE IAT -- EXCLUDE
Proportion of trials with responses faster than 300 ms:
0.291
 
The IAT effect size for this participant is:
[1] -0.9071591
Seconds taken to run this code:
0.009
 
The IAT effect size for this participant is:
[1] -0.2815273
Seconds taken to run this code:
0.013
 
The IAT effect size for this participant is:
[1] 0.09583769
NOTE: IAT effect size sign flipped for this participant (Incongruent First)
Seconds taken to run this code:
0.013
 
The IAT effect size for this participant is:
[1] -0.09583769

IATScore documentation built on May 2, 2019, 11:10 a.m.