Multiple Choice
How does the A-B-A-B design differ from the A-B-A design?
A) There are baseline observations in the A-B-A-B design and there are no baseline observations in the A-B-A design.
B) A treatment is administered in the A-B-A-B design and no treatment is administered in the A-B-A design.
C) The treatment is removed in the A-B-A-B design and the treatment is not removed in the A-B-A design.
D) The treatment is reintroduced (after having been removed) in the A-B-A-B design and the treatment is never reintroduced in the A-B-A design.
Correct Answer:
Verified
Correct Answer:
Verified
Q115: Distinguish between a case study and a
Q116: Why do researchers change only one variable
Q117: Briefly describe what the paraprofessionals did during
Q118: Quasi-experimental designs have _ threats to internal
Q119: Why is it difficult to determine causality
Q121: Briefly describe three famous past studies that
Q122: One argument for conducting statistical tests for
Q123: Questions refer to the following research study:<br>Ronda
Q124: Describe the internal validity threat of history
Q125: How is a case study different from