Fill-ins Research in Psych, 7e: Study Guide, Chapter 5 5-1
The answers to these fill-in-the-blank questions can be found in the list of key terms.
1. One of the defining features of any experiment is the careful attempt to control ________ variables
2. Age, gender, and socioeconomic class are all examples of _________ variables.
3. Concern over _________ validity has led memory researchers to investigate such things as the reasons why we forget our keys and our ability to recognize people from old high school yearbooks.
4. A manipulated independent variable is called a(n) _________ variable when the two groups in the study are told to use different rehearsal strategies when memorizing a list of words.
5. Although he normally shoots in the high 80s or low 90s for 18 holes, Jim manages to shoot a 78. Because he knows about the phenomenon of _________, he won’t be surprised if his next round is in the mid-80s.
6. ________ is a threat to internal validity that comes about because the effects of some significant event occurring between pretest and posttest.
7. The ___________ validity of a study will be low if the study includes a confounding factor.
8. The ___________ validity of a study will be called into question if the researcher completes a t test when a different type of test should have been chosen.
Answers
1. extraneous
2. subject
3. ecological
4. instructional
5. regression to the mean
6. history
7. internal
8. statistical conclusion
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