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Clark, Sheldon B.; Huck, Schuyler W. – 1983
In true experiments in which sample material can be randomly assigned to treatment conditions, most researchers presume that the condition of equal sample sizes is statistically desirable. When one or more a priori contrasts can be identified which represent a few overriding experimental concerns, however, allocating sample material unequally will…
Descriptors: Analysis of Variance, Error of Measurement, Hypothesis Testing, Power (Statistics)
