mdsdt (version 1.2)

riTest: Test report independence

Description

Test report independence for each stimulus response distribution

Usage

riTest(x)

Arguments

x

four-by-four confusion matrix

Value

data frame containing z-scores and p-values for all four tests

Source

Ashby, F. G., & Townsend, J. T. (1986). Varieties of perceptual independence. Psychological review, 93(2), 154. Thomas, R. D. (2001).Perceptual interactions of facial dimensions in speeded classification and identification. Perception \& Psychophysics, 63(4), 625--650. Silbert, N. H., & Thomas, R. D. (2013). Decisional separability, model identification, and statistical inference in the general recognition theory framework. Psychonomic bulletin & review, 20(1), 1-20.

Details

If p value is sufficiently low, we're justified in rejecting the null hypothesis of sampling within that factor. p values come from a chi-squared test on the confusion matrix, as explaned in a footnote of Thomas (2001).

Examples

data(thomas01a)
riTest(thomas01a)