When was social psychology first practiced?
Social psychology
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The self's ABCs are affect, behavior, and cognition. An affective (or emotional) question: How do people evaluate themselves, enhance their self-image, and maintain a secure sense of identity? A behavioral question: How do people regulate their own actions and present themselves to others according to interpersonal demands? A cognitive question: How do individuals become themselves, build a self-concept, and uphold a stable sense of identity?[14]:53