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.
A cross of sweet peas showing that independent assortment does not always occur
A laboratory experiment verified evaporative cooling by the cicada, Diceroprocta apache
Elements of an Experiment
Macro-, Meso-, Micro-Levels of Society
Rosenthal and Fode’s Rat Experiment
Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila