______ studies build on descriptive studies by comparing two or more groups on one or more measured variables.
A) Correlational
B) Comparative
C) Causal
D) Causal-comparative
Correct Answer:
Verified
Q20: Which of the following is true of
Q21: A researcher is interested in understanding the
Q22: A _ research report is one that
Q23: A type of variable that is "presumed
Q24: Which of the following is true of
Q26: Studies in which the researcher has control
Q27: Which of the following is an example
Q28: _ statistics allow researcher to test the
Q29: A researcher predicts the outcomes he expects
Q30: Which part of the research process is
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