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Download full textShoemaker, David M. – 1970
A norm distribution consisting of test scores received by 810 college students on a 150 item dichotomously-scored four-alternative multiple-choice test was empirically estimated through several item-examinee sampling procedures. The post mortem item-sampling investigation was specifically designed to manipulate systematically the variables of…
Descriptors: Item Sampling, Multiple Choice Tests, National Norms, Norms
Kleinke, David J. – 1973
In a post mortem study, it is demonstrated that linear prediction is as effective as computing a negative hyper-geometric distribution for estimating test norms following matrix sampling from a total test with a highly skewed score distribution, provided the same prediction coefficient is used for all examinee groups. It is also demonstrated…
Descriptors: Item Sampling, Norms, Predictive Measurement, Research Reports
