Provides a step-by-step approach to the most useful statistical analyses for language test developers and researchers using IBM SPSS, Winsteps and Facets. It contains clearly-worked out examples for each analysis with detailed explanations.
Author: Rita Green – an international consultant and trainer as well as an EALTA (European Association for Language Testing and Assessment) Expert Member. She has trained teams in numerous testing projects around the world including those in the fields of education, diplomacy, air traffic control and the military. Rita has directed courses in statistical analysis for over 15 years and runs a regular course in statistical analysis for language testers at Lancaster University, UK.
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