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Understanding Validity Issues in International Large Scale Assessments
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Meiko Lin; Erin Bumgarner; Madhabi Chatterji – Quality Assurance in Education: An International Perspective, 2014
Purpose: This policy brief, the third in the AERI-NEPC eBrief series "Understanding validity issues around the world", discusses validity issues surrounding International Large Scale Assessment (ILSA) programs. ILSA programs, such as the well-known Programme of International Student Assessment (PISA) and the Trends in International…
Descriptors: Achievement Tests, Foreign Countries, International Assessment, Elementary Secondary Education
Reporting and Interpreting Scores Derived from Likert-Type Scales
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Warmbrod, J. Robert – Journal of Agricultural Education, 2014
Forty-nine percent of the 706 articles published in the "Journal of Agricultural Education" from 1995 to 2012 reported quantitative research with at least one variable measured by a Likert-type scale. Grounded in the classical test theory definition of reliability and the tenets basic to Likert-scale measurement methodology, for the…
Descriptors: Agricultural Education, Educational Research, Periodicals, Journal Articles
Statistical Significance Reporting: Current Trends and Uses in MECD.
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Vacha-Haase, Tammi; Nilsson, Johanna E. – Measurement and Evaluation in Counseling and Development, 1998
Statistical significance reporting and use in educational and psychological research is reviewed. An assessment of the use of statistical significance in articles published in MECD from 1990-1996 is presented. The elements of statistical significance (including sample size, effect size, and power), interpretation of results, common erroneous…
Descriptors: Data Interpretation, Educational Research, Hypothesis Testing, Measurement