When researchers use parametric tests of significance, they must meet which two assumptions?
A) normal distributions and homogeneity of variance
B) normal distributions and internally valid design
C) heterogeneity of variance and large sample sizes
D) internally valid design and homogeneity of variance
Question 2
Factorial designs in which both IVs involve nonrandom assignment are called
A) completely randomized designs
B) between-subjects factorial designs
C) completely within-subjects (or groups) factorial designs
D) A and B above
E) B and C above
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