Examlex
Simple random sampling is the second step of stratified random sampling.
James-Lange Theory
A theory of emotion proposing that emotions result from the perception of bodily reactions to stimuli, suggesting that physiological arousal precedes the emotional experience.
Evolutionary Theory
A scientific theory that explains the diversity of life on Earth through mechanisms such as natural selection and genetic mutation over time.
Two-Factor Theory
A psychological theory proposing that emotional experiences arise from a combination of a state of physiological arousal and a cognitive interpretation of that arousal.
Evolutionary Theories
A set of propositions that explain how biological traits and behaviors of organisms have developed over time through the process of natural selection and genetic variation.
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