Multiple Choice
Which of the following is considered LEAST damaging to the validity of experimental design?
A) not using a control group
B) not using a pretest
C) not ruling out bias when assigning people to treatment and control groups
D) not using a posttest
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q20: How will you draw a sample of
Q21: If you use a convenience sample for
Q22: You are evaluating the efficacy of a
Q23: How will you ensure quality control in
Q24: Which type of study design will you
Q26: How will you ensure quality control in
Q27: How would you clean your data?
Q28: How will you assign subjects to research
Q29: How will you draw a sample of
Q30: You are doing research evaluating the effectiveness