![]() The shadow-test MIP is modeled in FICO Xpress-Mosel. ![]() ![]() The objective of RSCAT is twofold: 1) Enhancing the effectiveness of shadow-test CAT simulation 2) Contributing to the academic and scientific community for CAT research. RSCAT is an R package for the shadow-test approach to CAT. Selecting items from shadow tests guarantees the compliance of all content constraints defined by the blueprint. As an advanced approach to computerized adaptive testing (CAT), shadow testing (van der Linden, 2005) dynamically assembles entire shadow tests as a part of selecting items throughout the testing process.
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