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PSYCH 7A Study Guide - Quiz Guide: Psy, Random Assignment


Department
Cognitive Sciences
Course Code
PSYCH 7A
Professor
V I L L A R R E A L
Study Guide
Quiz

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Psy 7A Quiz 1-3 Answer
1. Why is it beneficial for scientists to use systematic observation in order to acquire
knowledge?
Answer: Observations provide the basic data that allow scientists to track, tally, or
otherwise organize information about the natural world.
2. Which of the following is an example of an empirical question that could be tested using
systematic observation?
Answer: Do native English-speaking Canadians take longer to learn Chinese or to learn
Spanish?
3. While a _______ is a group of closely related phenomena or observations, _______is a
logical idea that can be tested.
Answer: theory; hypothesis
4. Using an experimental research design, researchers manipulate the ________variable and
measure the ________ variable.
Answer: independent, dependent
5. One reason for using random assignment is:
Answer: to give the experimenter control so that he/she can find significant results
6. Which of the following is the strongest correlation coefficient?
Answer: -0.92
7. Dr. Hart is interested in the role of relationships in preventing heart disease. As her
patients come into her office in Bluebell, Alabama, she asks them two questions: Are you
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