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Download full textFeldt, Leonard S.; And Others – 1986
Rigorous comparison of the reliability coefficients of several tests or measurement procedures requires a sampling theory for the coefficients. This paper summarizes the important aspects of the sampling theory for Cronbach's (1951) coefficient alpha--a widely used internal consistency coefficient. This theory enables researchers to test a…
Descriptors: Confidence Testing, Measurement Techniques, Sampling, Statistical Analysis
Mandeville, Garrett K. – 1973
An investigation is conducted which presents extensive Monte Carlo results which indicate the conditions under which a procedure using the F distribution can be used to study the robustness of the confidence interval procedures for small samples. A review of the literature is presented. Procedure uses a binary data matrix. Results indicate that…
Descriptors: Confidence Testing, Item Sampling, Literature Reviews, Monte Carlo Methods
Lied, Terry R.; Tolliver, Don L. – 1973
Through utilization of effective sampling procedures, libraries may obtain substantial savings in terms of data collection costs. A theoretical statistical sampling model is presented and two types of random sampling techniques are empirically compared as to their effectiveness in estimating a library usage parameter. Implications are drawn for…
Descriptors: College Libraries, Confidence Testing, Data Collection, Library Research
