Psychometrics & Post-Data Analysis for Jamovi (PPDA)

Psychometrics & Post-Data Analysis (PsychoPDA) provides a suite of modules designed to enable researchers to perform post-data analyses in psychometric research. Currently, these modules include:

• Differential Item functioning
• Measure Diagnostics
• Design Analysis

Examples

Some worked out examples of the analyses carried out with jamovi PsychoPDA are posted here.

• Binary Differential Item Functioning - Toy Example
• Binary Differential Item Functioning - Detailed Example

• Ordinal Reliability - Toy Example
• TestROC - Toy Example

• Design Analysis for Correlations - Toy example
• Design Analysis for Mean Differences - Toy example

Jamovi Library Installation

If you didn’t already, install Jamovi and run it. Select the jamovi modules library and install PsychoPDA from there.

install.packages('jmvtools', repos=c('https://repo.jamovi.org', 'https://cran.r-project.org'))

setwd(directory/of/cloned/repo)

jmvtools::install()

Troubleshooting

Please check out the troubleshooting page.

Release notes

Please check out the Release notes.

Quality control

To be added

Comments?

Got comments, issues or spotted a bug? Please open an issue at PsychoPDA on github or send me an email