Distribution, Scaling, and Significance Problems
As the statistical interests of psychologists advanced, with expanding mathematical models, beyond those of psychophysics, reaction times, paired comparisons, stochastic processes in learning, and the like, they found themselves in domains which lacked the statisticomathematical landmarks to which they had been accustomed. ANOVA provided a tight, dependable system for examining the significance of experimental results in simple models; probability theory offered mathematically firm answers in other directions, and so on. It was largely in the factor analytic developments out of CORAN that psychologists found themselves having to make shrewd, even “artistic” judgments, and the more “precise” investigators found these rough pioneer customs not easily tolerable.
KeywordsSignificance Problem True Score Absolute Zero Factor Pattern Present Writer
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