Nice! Using IRT for clothes sizing is indeed innovative. One factor that is difficult to account for is users not telling you the truth. Users may feel embarra

Nice! Using IRT for clothes sizing is indeed innovative. One factor that is difficult to account for is users not telling you the truth. Users may feel embarrassed to say something is too small, as that may have negative connotations for some. It’s difficult of course to control for that, but I wonder how honest people might be in their feedback.