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Download full textVale, C. David; Weiss, David J. – 1975
A conventional test and two forms of a stradaptive test were administered to thousands of simulated subjects by minicomputer. Characteristics of the three tests using several scoring techniques were investigated while varying the discriminating power of the items, the lengths of the tests, and the availability of prior information about the…
Descriptors: Ability, Branching, Comparative Analysis, Computer Oriented Programs
Miller, T. W.; Weiss, David J. – 1976
Three related experimental studies analyzed rate and accuracy of test response under time-limit and no-time-limit conditions. Test instructions and multiple-choice vocabulary items were administered by computer. Student volunteers received monetary rewards under both testing conditions. In the first study college students were blocked into high-…
Descriptors: Ability, College Students, Comparative Analysis, Computer Oriented Programs
Betz, Nancy E.; Weiss, David J. – 1975
A 40-item flexilevel test and a 40-item conventional test were compared using data obtained through (1) computer-administration of the two tests to three groups of college students, and (2) monte carlo simulation of test response patterns. Results indicated the flexilevel score distribution better reflected the underlying normal distribution of…
Descriptors: Ability, College Students, Comparative Analysis, Computer Oriented Programs
Vale, C. David; Weiss, David J. – 1975
A conventional vocabulary test and two forms of a stradaptive vocabulary test were administered by a time-shared computer system to undergraduate college students. The two stradaptive tests differed in that one counted question mark responses (i.e., omitted items) as incorrect and the other ignored items responded to with question marks.…
Descriptors: Ability, Ability Grouping, Adaptive Testing, Branching
Larkin, Kevin C.; Weiss, David J. – 1975
A 15-stage pyramidal test and a 40-item two-stage test were constructed and administered by computer to 111 college undergraduates. The two-stage test was found to utilize a smaller proportion of its potential score range than the pyramidal test. Score distributions for both tests were positively skewed but not significantly different from the…
Descriptors: Ability, Aptitude Tests, Comparative Analysis, Computer Programs
Weiss, David J. – 1976
Three and one-half years of research on computerized ability testing are summarized. The original objectives of the research were: (1) to develop and implement the stratified computer-based ability test; (2) to compare, on psychometric criteria, the various approaches to computer-based ability testing, including the stratified computerized test,…
Descriptors: Adaptive Testing, Bayesian Statistics, Branching, Comparative Analysis
