Multiple Choice
The crucial difference between a quasi-experimental design and a true experimental design is:
A) The level of sophistication.
B) The costs.
C) The ability to control variables.
D) None of the above.
Correct Answer:

Verified
Correct Answer:
Verified
Q10: It is possible to reduce biases that
Q11: Main testing effects occur when the pre-test
Q12: A major threat to validity in a
Q13: Internal validity refers to what extent would
Q14: The difference between matching and randomization is
Q16: In "matching groups",the process by which individuals
Q17: Deceiving subjects by deliberately misleading them as
Q18: Cause-and-effect inferences can also be contaminated by
Q19: Mortality,maturation,and instrumentation effects may restrict the internal
Q20: External validity refers to the confidence we