Which of the following is a disadvantage of the alternating treatments design?
a. it cannot be used to make a confident assumption of a functional relation
b. it requires withdrawal of the effective intervention to determine a functional relation
c. it relies on gradual behavior change, which may not always work
d. the design is limited in the number of possible interventions that can be evaluated at one time
d
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Answer the following statement(s) true (T) or false (F)
Participant pools consist of volunteers who willingly give informed consent to participate in research--no student is ever required to actually participate in a research study.
One threat to the internal validity of the one-group posttest-only design is:
a. Testing b. Instrumentation c. Regression artifacts d. History
What is the purpose of asking probing questions?
a. to discover the speaker's main idea and support b. to demonstrate respect or interest in a topic c. to participate in active listening d. to expose conclusions built on faulty evidence and/or logic
Provide one advantage and one disadvantage of using cluster sampling.
What will be an ideal response?