Multilinear formula score theory (Levine, 1984,1985, 1989a, 1989b) provides powerful methods foraddressing important psychological measurement problems.In this paper, a brief review of multilinear formulascoring (MFS) is given, with specific emphasis onestimating option characteristic curves...

Two psychometric models with very differentparametric formulas and item response functionscan make virtually the same predictions in allapplications. By applying some basic results fromthe theory of hypothesis testing and from signaldetection theory, the power of the most powerfultest for...

This study examined how well current softwareimplementations of four polytomous item responsetheory models fit several multiple-choice tests. Themodels were Bock’s (1972) nominal model,Samejima’s (1979) multiple-choice Model C, Thissen& Steinberg’s (1984) multiple-choice model,...

We exploit a spatial discontinuity in the wages paid by the United Kingdom's National Health Service to examine how wages affect the duration of time a vacancy is advertised. NHS workers in inner London are mandated by law to be paid an extra 4.3% more than those who work in outer London. We use...

We exploit a spatial discontinuity in the wages paid by the United Kingdom's National Health Service to examine how wages affect the duration of time a vacancy is advertised. NHS workers in inner London are mandated by law to be paid an extra 4.3% more than those who work in outer London. We use...