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.
R. Green
Factor Analysis SPSS descriptive statistics language research statistics
'SALT by Rita Green provides a concise and focused yet exhaustive and practical introduction to the use of statistical software packages that will be appreciated by language teachers and test developers, especially those who have little or no experience of dealing with statistics.' - Linguist