Suppose you want to run an experiment with four groups using a repeated-measures design, and you want 30 participants in each of the groups created by manipulation of the independent variable. How many participants will you need in order to run this experiment?
a. 30
b. 60
c. 120
d. 200
Ans: A
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a. pathogens b. bacteria c. genetics d. lifestyles and behaviors e. all of the above
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Answer the following statement(s) true (T) or false (F)
A histogram is basically a bar chart in which the bars do not touch.
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What percentage of a child's total intellectual capacity has been developed by age four?
A. 20% B. 30% C. 40% D. 50%
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A statistical procedure in which a sample statistic is used to estimate the value of an unknown population parameter is called ______.
A. estimation B. proportion of variance C. significance testing D. entanglement
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