testinfo_data_MMPI_SC: testinfo_data_MMPI_SC

Description Usage Source Examples

Description

A data frame with IRT test information coefficients and the corresponding z values for the MMPI-2-RF Somatic Complaints (RC1) Scale, based on responses from 399 participants (Thomas et al., 2010). The z values are in the first column and the test information values are in the second column.

Usage

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Source

Thomas, M. L., & Locke, D. E. C. (2010). Psychometric properties of the MMPI-2-RF Somatic Complaints (RC1) scale._Psychological Assessment,_22, 492-503.

Examples

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head(testinfo_data_MMPI_SC)

plot(testinfo_data_MMPI_SC, type="l", 
     ylim=c(0,(max(testinfo_data_MMPI_SC[,2])+1)), 
     xlim=c((min(testinfo_data_MMPI_SC[,1])-1),(max(testinfo_data_MMPI_SC[,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.