Multiple Choice
______ would help control for bias in a pretest-posttest design.
A) Increasing the amount of time between the pretest and posttest
B) Including a control group that does not receive the treatment
C) Using fewer subjects
D) Using the posttest scores as the dependent variable
Correct Answer:

Verified
Correct Answer:
Verified
Q44: _ occur(s) when participants choose not to
Q45: In the simplest type of pretest-posttest design,
Q46: An interrupted time series design uses a
Q47: Discuss history effects and its impact on
Q48: Research done in educational settings often involves
Q50: _ occur when participants are tested more
Q51: As with pretest-posttest designs, limitations of time
Q52: Participants may become more hopeful about their
Q53: Attrition is also called _.<br>A) mortality<br>B) death<br>C)
Q54: Attrition is best handled by inclusion of