During the years that we have been working in the important area of educational assessment, we have developed complementary materials for the evaluator. At the same time, we have specialized dealers, such as the University of Chicago, that provides important products and services on this area, like the Winsteps Rasch Analysis Model.

We are concerned in offering our customers worldwide accepted leading edge evaluation technology, in such way that we continuously look for products that support this important task.

Products from the University of Chicago.

	BIGSTEPS / WINSTEPS: Rasch Analysis for objective questionnaires.(Software)
	FACETS: Rasch Analysis for two or more facets. (Software)
	BEST TEST DESIGN: Wright/Stone. (Book)
	RATING SCALE ANALYSIS: Wright/Stone. (Book)
	PROBABILISTIC MODELS: Rasch. (Book)
	MANY FACET RASCH ANALYSIS: Linacre (Book)