What are the two main ways in which the prior equality of comparison groups is established?
A) randomization and statistical regression
B) matching and turnover analysis
C) turnover analysis and cross-sectional analysis
D) matching and randomization
E) longitudinal analysis and cross-sectional analysis
Correct Answer:
Verified
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Q26: The extraneous variable, instrument variation
A) does not
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Q31: If there are two groups at issue,
Q32: In general, matching is the preferred procedure
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