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Werts, Charles E.; Linn, Robert L. – 1972
Given multiple independent measures of an underlying true factor and information on group membership, it is possible to compute a set of observed group means for each measure. Given at least three tests, these sets of means may be used to compute the reliability of the means for each test. The procedure for estimating true scores from the…
Descriptors: Factor Analysis, Mathematical Models, Research, Research Reports
Download full textHarris, Margaret L.; Golub, Lester S. – 1971
Content and task dimensions of language arts items were studied using factor analytic techniques. These items were developed to measure concept attainment using a completely crossed design with 30 concepts and 12 tasks. Conventional factor analyses were performed, separately for boys and girls, for concept scores and for task scores. Three-mode…
Descriptors: Concept Formation, Content Analysis, Elementary School Students, Factor Analysis
Peer reviewedWhitely, Susan E. – Applied Psychological Measurement, 1979
Two sources of inconsistency were separated by reanalyzing data from a major study on short-term consistency. Little evidence was found for generalizability or behavioral predictability. Results supported the assumption that measurement error from short-term fluctuations is not due to systematic individual differences in response consistency.…
Descriptors: Behavior Change, Cognitive Processes, College Freshmen, Error of Measurement
Merz, William R.; Grossen, Neal E. – 1978
Six approaches to assessing test item bias were examined: transformed item difficulty, point biserial correlations, chi-square, factor analysis, one parameter item characteristic curve, and three parameter item characteristic curve. Data sets for analysis were generated by a Monte Carlo technique based on the three parameter model; thus, four…
Descriptors: Difficulty Level, Evaluation Methods, Factor Analysis, Item Analysis
Eberly, Charles G. – 1972
A re-analysis of the Situational Attitudes Scale (SAS) was conducted to investigate its generality, validity and reliability and to suggest a more conservative method of analyzing the data. Three forms of the SAS were developed under the name Situational Attitude Inventory. Forms A and B corresponded to the originals; they tested attitudes toward…
Descriptors: Analysis of Variance, Attitude Measures, College Students, Data Analysis
Mehrens, William – 1975
The 1973-74 Michigan Educational Assessment Program (MEAP) provided information on twenty-two separate measures of interest to educators. The program provides for measures of (1) word relationships, (2) mathematics, (3) reading and (4) attitudes (optional). In contrast to past programs, the mathematics and reading instruments are…
Descriptors: Achievement Tests, Attitude Measures, Behavioral Objectives, Criterion Referenced Tests
