Examlex
In Pavlov's experiments on classical conditioning, salivation of the dog in response to the meat powder is an unlearned or unconditioned response.
Alternative Hypothesis
A hypothesis that proposes a statistical relationship between variables, opposite to the null hypothesis suggesting no relationship.
Main Effect
The direct impact of an independent variable on a dependent variable in an experimental design.
Null Hypothesis
A default hypothesis that there is no effect or no difference, and any observed difference is due to sampling or experimental error.
Interaction Effect
A phenomenon in which the effect of one independent variable on the dependent variable varies depending on the level of another independent variable.
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