|
|
|
|
|
| |
|
|
| |
 |
BILOG-MG
|
BILOG- MG for Windows is used to analyze data on dichotomous items from a single group or multiple groups.
|
|
| |
 Academic and non-academic licenses for IRT software products |
- SSI, Inc. offers academic and non-academic (production and commercial) licenses for its IRT software products.
- Academic licenses for BILOG-MG 3, IRTPRO 2.1, and PARSCALE 4 for Windows are available separately.
- Academic licenses apply to end users that intend to use the software exclusively for academic research and instruction.
- Academic licenses can be ordered using the online PDF order forms providing an academic email address.
- Non-academic licenses apply to end users that intend to use the software for assessment.
- Non-academic license agreements are prepared on a case to case (individual) basis. For details, see:http://www.ssicentral.com/ordering/academic.html
 BILOG-MG 3 by Michele Zimowski, Eiji Muraki, Robert Mislevy & Darrell Bock |
- Graphical user interface
- Efficient analysis of binary items including multiple choice or short-answer items scored right, wrong, omitted, or not-presented
- Capable of large scale production analysis, and handling of multiple groups
- Performs item analysis and scoring of any number of subtests or subscales
- Non-equivalent groups equating
- Vertical equating of test forms
- Differential item functioning (DIF)
- Detection and correction for parameter trends over time (DRIFT)
- Calibration and Scoring of tests in two-stage testing procedures
- Estimation of latent ability or proficiency distributions
- Provision for items inserted in tests to estimate item statistics, but not included in calculation of examinee scores ("variant items")
- Item fit statistics, theoretical and empirical reliability
- Information curves and reliabilities for putative test forms
- Presentation quality IRT graphics, can be imported in Word, Access, etc.
- Detailed online HELP documentation includes description of interface, syntax, and examples.
|
|
|
|
|
|
|
