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Myers' Psychology for the AP Course3rd EditionC. Nathan DeWall, David G Myers 955 solutions A Concise Introduction to Logic13th EditionLori Watson, Patrick J. Hurley 1,967 solutions Myers' Psychology for AP1st EditionDavid G Myers 313 solutions What type of validity refers to whether the changes in the dependent variable or due to the manipulation of the independent variable?Internal Validity
The purpose of an experiment, however, is to show that two variables are statistically related and to do so in a way that supports the conclusion that the independent variable caused any observed differences in the dependent variable.
What is internal validity vs external validity?Internal validity refers to the degree of confidence that the causal relationship being tested is trustworthy and not influenced by other factors or variables. External validity refers to the extent to which results from a study can be applied (generalized) to other situations, groups or events.
What does it mean to manipulate the independent variable?Manipulation of the Independent Variable
Again, to manipulate an independent variable means to change its level systematically so that different groups of participants are exposed to different levels of that variable, or the same group of participants is exposed to different levels at different times.
What are the independent variables The variables that were manipulated by the researcher?The independent variable is one that the researchers either manipulate (such as the amount of something) or that already exists but is not dependent upon other variables (such as the age of the participants).
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What type of validity refers to whether the changes in the dependent variable are due to the manipulation of the independent variable?
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