Data Management and Analysis of Tests
Exploratory test for Differential Item Functioning
Add item properties to a project
Add person properties to a project
Close a project
extract enorm item parameters
Extract interaction model parameters
extract equating information
Information about the design
Dexter: data analyses for educational and psychological tests.
Start a new project from oplm files
Start a new project
Test design
Estimate abilities
Add response data to a project
Items in a project
Distractor plot
Estimate the Rasch and the Interaction model per domain
Fit the extended nominal response model
Estimate the Interaction and the Rasch model
Booklets entered in a project
Persons in a project
Functions for developers
Selecting data
Get scoring rules
Get test scores
Variables that are defined in the project
Test individual differences
Functions of theta
Derive scoring rules from keys
Latent correlations
Open an existing project
Draw plausible test scores
Draw plausible values
plot method for pairwise DIF statistics
Plot for the extended nominal Response model
A plot method for the interaction model
A plot method for probability_to_pass
The probability to pass on a reference test given a score on a new boo...
Profile plot
Profile analysis
Simulation from the interaction model
Read item parameters from oplm PAR or CML files
Standard setting
Export a standard setting database for use by the free 3DC application
Simple test-item analysis
Add or modify scoring rules
A system for the management, assessment, and psychometric analysis of data from educational and psychological tests.
Useful links