Gayla Nieminen is co-director with Diann Musial of Assessment Unlimited. She has written and edited test items for 18 years. Clients have ranged from individual schools to consortia of school districts to testing companies. In related work, she has taught undergraduate and graduate classes in testing at Northern Illinois University; given workshops to teachers and others on test item writing and test interpretation; studied longitudinal patterns of student test performance within a given school district; and conducted evaluations of test reliability and validity.
