When conducting an experiment with more than two levels of the independent variable, a _____ is recommended over a _____ because of the reduced risk of a _____.
a. one-way ANOVA; t-test; Type II error
b. one-way ANOVA; t-test Type I error
c. t-test; one-way ANOVA; Type II error
d. t-test; one-way ANOVA; Type I error
Question 2
The larger the within-groups (error) variance:
a. the more difficult it becomes to show the effects of experimental variance.
b. the easier it becomes to show the effects of experimental variance.
c. the more difficult it becomes to perform the F test.
d. the easier it becomes to show a causal effect of the independent variable on the dependent variable.
The Hershey-Chase Experiment p2
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