Which of the following factors influences the rates of DZ twinning?
A) ethnicity
B) a history of DZ twins on the mother's side of the family
C) maternal age
D) all of the above
D) all of the above
Psychology
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What is the null hypothesis for a One-way ANOVA?
a. All means come from the same population b. All means come from the same distribution c. All means don't come from the same population d. All doesn't don't come from the same distribution
Psychology
Wilhelm Wundt's trained introspectors had to make between 10 and 50 practice observations before they were allowed to participate in an actual study
Indicate whether this statement is true or false.
Psychology