testinfo_data_AMT: testinfo_data_AMT

Description Usage Source Examples

Description

A data frame with IRT test information coefficients and the corresponding z values for the Autobiographical Memory Test, based on responses from 194 participants (Monahan et al., 2001). The z values are in the first column and the test information values are in the second column.

Usage

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Source

Griffith, J. W., Kleim, B., Sumner, J. A., & Ehlers, A. (2012). The factor structure of the Autobiographical Memory Test in recent trauma survivors. Psychological Assessment, 24, 640- 646.

Examples

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head(testinfo_data_AMT)

plot(testinfo_data_AMT, type="l", 
     ylim=c(0,(max(testinfo_data_AMT[,2])+1)), 
     xlim=c((min(testinfo_data_AMT[,1])-1),(max(testinfo_data_AMT[,1])+1)), 
     xlab="Latent Trait", ylab="Test Information", 
     main="Test Information Function for the NEO-FFI-A Scale", font.lab=2, cex.lab=1.3)
## Not run: 

bpoconnor/IRTtestinfo documentation built on Sept. 18, 2020, 11:47 a.m.