Psychometrics

Parallel Analysis: Determining the Dimensionality of Data

window.xaringanExtraClipboard(null, {“button”:" Copy Code",“success”:" Copied!",“error”:“Press Ctrl+C to Copy”}) WHAT IS PARALLEL ANALYSIS METHODOLOGY PARALLEL ANALYSIS IN R Recently, my colleague asked me to review a state assessment tech report. In the tech report, a section-“Parallel Analysis” really caught my eyes. I have done parallel analysis multiple times in the past. However, I have never thought about this topic in a systematical way. It is always a good memory refreshing opportunity.