Multiple Choice
A researcher randomly assigns 80 participants to either a treatment group or a control group. The study is conducted in a laboratory setting. The ratings of internal validity on equivalence of participant characteristics and control of extraneous variables, would be:
A) Medium and medium
B) High and high
C) High and medium
D) Medium and high
Correct Answer:

Verified
Correct Answer:
Verified
Q9: Match the research examples in 1-7 with
Q10: Matching of participants on characteristics other than
Q11: When comparing two groups, historical events can
Q12: Threats related to experiences and environment include:<br>A)
Q13: In your own words, define internal validity.
Q15: Match the research examples in 1-7 with
Q16: Statistical regression can be a problem when
Q17: Which of the following is an attempt
Q18: A researcher makes some attempts to equate
Q19: When comparing two groups, a historical event