AP PSYCHOLOGY

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RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE

THE SCIENTIFIC METHOD AND DESCRIPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ ____ is high when confounding variables have been controlled and we are quite certain that it was the change in the IV that caused the change in the DV.
A
External validity
B
Population validity
C
Internal validity
D
Ecological validity
Explanation: 

Detailed explanation-1: -When an extraneous variable changes systematically along with the variables that you are studying, this is called a confounding variable.

Detailed explanation-2: -If these extraneous variables are not controlled they may become confounding variables, because they could go on to affect the results of the experiment.

Detailed explanation-3: -The experimental method features the manipulation of an independent variable, the measurement of a dependent variable, and control of extraneous variables.

Detailed explanation-4: -External validity involves the extent to which the results of a study can be generalized (applied) beyond the sample. In other words, can you apply what you found in your study to other people (population validity) or settings (ecological validity).

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