Which of the following must be included in classical experimental designs?
A) Independent variable and dependent variable
B) Pretest and posttest
C) Random assignment
D) All of the above
Correct Answer:
Verified
Q24: What is the primary distinction between experimental
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X O1
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Q26: What is the most obvious problem of
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O1 X
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Q32: Which of the following is true regarding
Q33: What does the following figure represent?
Q34: Which of the following is false regarding
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