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Download full textHolland, Paul W.; Thayer, Dorothy T. – 1985
An alternative definition has been developed of the delta scale of item difficulty used at Educational Testing Service. The traditional delta scale uses an inverse normal transformation based on normal ogive models developed years ago. However, no use is made of this fact in typical uses of item deltas. It is simply one way to make the probability…
Descriptors: Difficulty Level, Error Patterns, Estimation (Mathematics), Item Analysis
Vance, Booney; Sabatino, David – Diagnostique, 1991
The issues of construct validity, predictive validity, and item content bias on the Wechsler Intelligence Scale for Children-Revised (WISC-R) are examined. The review concludes that most objective data have not supported the issue of bias of the WISC-R when used with children of different ethnic backgrounds. (JDD)
Descriptors: Construct Validity, Content Validity, Elementary Secondary Education, Ethnic Groups
Haladyna, Thomas M. – 1984
The purpose of this study is to examine an option-weighting method as it affects pass-fail decisions in formative and summative evaluation of student achievement for instructional units, certification, advancement, licensure, admissions, placement, and selection. A database was constructed using high school achievement test data where a…
Descriptors: Achievement Tests, Cutting Scores, High Schools, Multiple Choice Tests
Brennan, Mervin M.; Redding, Kenneth R. – 1985
A Teacher Survey was developed for administration to Illinois teachers whose students take the Illinois Inventory of Educational Progress (IIEP). The IIEP are the achievement tests of the state assessment program. The purposes of the Teacher Survey range from determination of a test's curricular validity to investigations of teachers' abilities to…
Descriptors: Academic Achievement, Data Analysis, Elementary Secondary Education, Predictive Validity
Wilson, Kenneth M. – 1985
This Graduate Record Examination (GRE) study assesses: (1) the relative contribution of a vocabulary score (consisting of GRE General Test antonyms and analogies) and a reading comprehension score (consisting of GRE sentence completion and reading comprehension sets) to the prediction of self-reported undergraduate grade point average (GPA); and…
Descriptors: College Entrance Examinations, Grade Point Average, Higher Education, Item Analysis
Lin, Miao-Hsiang – 1986
Specific questions addressed in this study include how time limits affect a test's construct and predictive validities, how time limits affect an examinee's time allocation and test performance, and whether the assumption about how examinees answer items is valid. Interactions involving an examinee's sex and age are studied. Two parallel forms of…
Descriptors: Age Differences, Computer Assisted Testing, Construct Validity, Difficulty Level
