You could have downloaded ConstructMap 4.6.0 from our software library for free. The following version: 4.6 was the most frequently downloaded one by the program users. Our built-in antivirus checked this download and rated it as 100% safe. This free PC program is compatible with Windows XP/7/8/10/11 environment, 32-bit version. This free software was originally created by BEAR Center. The software belongs to Education Tools.
From the developer:
ConstructMap is a graphical, menu-driven software package that combines a multidimensional IRT engine for estimating item and person parameters with tools for managing cross-sectional and longitudinal student response data and interpreting findings from such data. Graphical maps and reports are designed for use in settings in which progress on multiple measures can be examined and analyzed.
You may want to check out more software, such as MathMatic, MemBrain or roboBASIC, which might be similar to ConstructMap.