Two types of restricted random assignment are ______.
A. control by matching and control by holding constant
B. control by categorization and control by representation
C. systematic control and participant control
D. restricted assignment and unrestricted assignment
Ans: A
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Suppose one group of students learned a mathematical procedure by solving 20 problems (problem-solving group) whereas another group learned by seeing 10 worked-out examples along with a corresponding to solve (worked-out example group). What can you say about the cognitive processing of the two groups?
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