A refutable hypothesis must ____
a. refer to variables that can be observed or measured
b. make a positive statement about the existence of an effect or a relationship
c. allow for the possibility that the observations will not support the hypothesis
d. state at least one conclusion that has already been proven
c
Psychology
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A general formula whose underlying logic connects t tests, analysis of variance, correlation, and multiple regression is the
A) nonparametric model. B) general linear model. C) factorial model. D) general factor analytic model.
Psychology
If an independent t ratio is to be calculated for a two-group design, 20
subjects in each group, then the degrees of freedom equal a. 1 b. .05 c. 40 d. 38
Psychology