Suppose you want to run an experiment with two groups using a within-subjects design, and you want 25 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. 25
b. 50
c. 100
d. 200
Ans: A
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Why is our number system called a "place value" system?
What will be an ideal response?
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