Multiple Choice
Which of the following is an attempt to make groups equal and diminish threats to internal validity?
A) Randomized assignment of participants to groups or conditions
B) Randomized assignment of treatments or conditions to intact groups
C) Checking for pretest equality of groups after the fact
D) All of the above are true
Correct Answer:
Verified
Correct Answer:
Verified
Q12: Threats related to experiences and environment include:<br>A)
Q13: In your own words, define internal validity.
Q14: A researcher randomly assigns 80 participants to
Q15: Match the research examples in 1-7 with
Q16: Statistical regression can be a problem when
Q18: A researcher makes some attempts to equate
Q19: When comparing two groups, a historical event
Q20: Extraneous and experiential variables are typically well-controlled
Q21: Threats related to participant characteristics include:<br>A) Regression
Q22: With the associational approach, it is difficult