AP PSYCHOLOGY

RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE NEED FOR PSYCHOLOGICAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A testable prediction that drives research is known as a(n)
A
theory
B
hypothesis
C
operational definition
D
guess
E
random sample
Explanation: 

Detailed explanation-1: -Hypothesis: A testable prediction often implied by a theory. Operational Definitions: Statements (descriptions) of the procedures used to define research variables.

Detailed explanation-2: -All predictions should be testable, meaning it should be possible to design an experiment that would verify or invalidate the prediction. With the solvent, for example, you could test your prediction by dissolving different compounds in water at different temperatures and measuring the solubility.

Detailed explanation-3: -A hypothesis is a tentative statement about the relationship between two or more variables. It is a specific, testable prediction about what you expect to happen in a study.

Detailed explanation-4: -Examples of testable prediction A key testable prediction was that a folded protein’s carbonyl groups should be largely converted to hydroxyl groups; however, spectroscopic and chemical experiments showed that this prediction was incorrect. This example is from Wikipedia and may be reused under a CC BY-SA license.

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