Download Differential item functioning analysis system User`s Manual

CONTENTS
Chapter 1
Getting Started with DIFAS
System requirements
Running DIFAS
A diagram of the DIFAS Main Window
Conducting analyses using DIFAS
Chapter 2
Importing Data
Preparing the data for import
Importing the data
Navigating the imported data file
Chapter 3
Conducting Analyses
Descriptives
Frequencies
DIF analyses for dichotomous items
DIF analyses for polytomous items
Differential test functioning
Differential step functioning
Missing Data
Chapter 4
Managing Output
Properties of the output
Editing the output
Saving output files
Opening output files
Printing Output
DIFAS: 5.0 User’s Manual 2