A psychologist expects that rats raised in toy-filled cages will become better learner. This expectation of him is ___________?
Correct answer: A. research hypothesis
- A. research hypothesis
- B. observer expectancy effect
- C. independent variable
- D. inferential statistics
Explanation
A research hypothesis is a testable prediction about the relationship between variables, here that toy-filled environments will improve rats’ learning. Observer expectancy is the researcher’s unintended influence on observations, not the prediction itself.
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