Which threat to internal validity occurs when events

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Understanding Statistics in the Behavioral Sciences
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Chapter 11 / Exercise 4
Understanding Statistics in the Behavioral Sciences
Pagano
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28. Which threat to internal validity occurs when events that occur before or during the experiment affect the relationship being studied? A. Histor y B. Maturatio n C. Testin g D. Instrumentati on E. Mortalit y
We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
Understanding Statistics in the Behavioral Sciences
The document you are viewing contains questions related to this textbook.
Chapter 11 / Exercise 4
Understanding Statistics in the Behavioral Sciences
Pagano
Expert Verified
29. Which threat to internal validity results from changes between observations in either the measuring instrument or the observer?
30. Which threat to internal validity is largely overcome by using random assignment of participants to experimental and control groups?
31. If levels of attrition are high among study participants, _____ will threaten the internal validity of the study.
32. Diffusion of treatment refers to the treat to internal validity brought on when _____. A. people in the experimental group communicate the treatment with people in the control group B. researchers compensate the control group as a sort of consolation for not receiving a desirable treatment C. competition arises between the groups D. control group members resent being deprived of a desirable treatment E. an unusual event occurs when one group, but not both are participating in the study
33. Compensatory equalization refers to the treat to internal validity brought on when _____.
34. Compensatory rivalry refers to the treat to internal validity brought on when _____.
35. Resentful demoralization refers to the treat to internal validity brought on when _____.

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