PARSCALE for Windows

PARSCALE for Windows is a software product developed by Scientific Software International, Inc. It is a powerful tool designed to assist researchers and statisticians in conducting complex psychometric analyses.

With PARSCALE, users can easily perform item response theory (IRT) analyses, including Rasch modeling, as well as classical test theory (CTT) analyses. The software provides a user-friendly interface that allows for efficient data input and manipulation.

PARSCALE offers a wide range of analysis options, such as estimating item and person parameters, evaluating item fit, conducting differential item functioning (DIF) analyses, and assessing test and item information. It also includes advanced plotting capabilities to visualize the results of the analyses.

The software supports both dichotomous and polytomous item response formats, making it suitable for various types of assessments and surveys. PARSCALE also offers sophisticated data management features, allowing users to import data from different file formats and merge datasets for comprehensive analyses.

Whether you are working on educational testing, psychological research, or survey development, PARSCALE for Windows is an essential tool to ensure accurate and reliable psychometric analysis. Its robust features and user-friendly interface make it a valuable asset for researchers and statisticians alike.