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Matching Quiz III
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Use these terms to fill in the blank in each of the following sentences.

1


When it is not feasible to do true experiments in the “real world,” researchers use experimental procedures that only approximate the conditions of highly controlled laboratory experiments. Those procedures that lack the high degree of control possible in true experiments are called ________________.
2


______________ is a threat to internal validity that can arise when an event occurs at the same time as the treatment and thus there are variables other than the treatment that can affect participants’ behavior.
3


______________ is a threat to internal validity that can arise when changes that the participants naturally undergo over time may explain any changes in the participants during the experiment.
4


There are threats to internal validity that even true experiments do not control. One such threat can arise when participants feel resentment or a sense of rivalry or when there is diffusion of treatments across groups. The general term used to describe this threat to internal validity is called ________________.
5


______________ is an interdisciplinary approach to applied research that provides feedback to administrators of human service organizations in order to help them decide what services to provide to whom and how to provide them most effectively and efficiently.
Answer choices for questions 1 through 5
A)history
B)program evaluation
C)maturation
D)contamination
E)quasi-experiments





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