Northwest Evaluation Association™ (NWEA™) is committed to providing partners with useful tools to help make inferences from Measures of Academic Progress® (MAP®) interim assessment scores. One important tool is the concordance table between MAP and state summative assessments. Concordance tables have been used for decades to relate scores on…

Concordance tables have been used for decades to relate scores on different tests measuring similar but distinct constructs. These tables, typically derived from statistical linking procedures, provide a direct link between scores on different tests and serve various purposes. Aside from describing how a score on one test relates to performance on…

Recently, Northwest Evaluation Association (NWEA) completed a study to connect the scale of the Minnesota Comprehensive Assessments (MCA) Testing Program used for Minnesota's mathematics and reading assessments with NWEA's RIT (Rasch Unit) scale. Information from the state assessments was used in a study to establish performance-level scores on…

Until data is obtained concerning the regression of job-performance on test-performance, the setting of passing scores on professional licensing and certification examinations will contain some degree of arbitrariness. Data from performance domains suggests that some tests have differential validity and an adverse impact on minority groups,…

During spring 1992, the Combined English Language Skills Assessment (CELSA) test was piloted with a sample of English-as-a-Second-Language (ESL) classes at Golden West College (GWC) in Huntington Beach, California. The CELSA, which utilizes a cloze format including parts of conversations and short dialogues, combines items from beginning,…