Multiple Choice
Even if you randomly assign subjects to groups, which of the following may result in you ending up with groups that are not comparable?
A) attrition
B) contamination
C) placebo effect
D) maturation
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q49: Internal validity means _.<br>A) that maturation has
Q50: Write four hypotheses for this research question.
Q51: Experiments are used to test _.<br>A) Association<br>B)
Q52: Which is the most appropriate research question
Q53: How would you try to diminish the
Q55: What other ethical issues might be likely
Q56: Which type of study design will you
Q57: Evaluate the external validity of your study.
Q58: Conceptualize one dependent variable from your hypotheses.
Q59: You are conducting research on the effects