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Download full textWilliams, Matt N.; Gomez Grajales, Carlos Alberto; Kurkiewicz, Dason – Practical Assessment, Research & Evaluation, 2013
In 2002, an article entitled "Four assumptions of multiple regression that researchers should always test" by Osborne and Waters was published in "PARE." This article has gone on to be viewed more than 275,000 times (as of August 2013), and it is one of the first results displayed in a Google search for "regression…
Descriptors: Multiple Regression Analysis, Misconceptions, Reader Response, Predictor Variables
Direct linkKane, Michael – Measurement: Interdisciplinary Research and Perspectives, 2004
The theories of validity developed over the past 60 years are quite sophisticated, but the methodology of validity is not generally very effective. The validity evidence for major testing programs is typically much weaker than the evidence for more technical characteristics such as reliability. In addition, most validation efforts have a strong…
Descriptors: Test Validity, Methods, Licensing Examinations (Professions), Measurement
Schafer, William D.; Papapolydorou, Maria; Rahman, Taslima; Parker, Lori – Online Submission, 2005
Possible relationships between five test examiner characteristics (gender, race, tenure, experience as a test administrator, and experience as a test developer or scorer) and six student achievement scores (reading, writing, language usage, mathematics, science, and social studies) were studied at the school level in a statewide assessment. The…
Descriptors: Intervals, Academic Achievement, Test Validity, Examiners
