PSY 250 Lecture Notes - Lecture 3: Broccoli, Operational Definition, Caffeine
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Theory: familiarity breeds liking (theory of mere exposure, zajonc, 1968) Posiive linear relaionship: increases in one variable are accompanied by increases in the other variable (the variables move together; x increases, y increases, or x decreases and y. Negaive linear relaionship: increases in one variable are accompanied by decreases in the other variable: ex: # miles from home to campus, # trips to campus per week. # units taken last semester, # hours worked at outside job. # imes been broken up with, trust in relaionship partners. Curvilinear relaionship: increases in one variable are accompanied by both increases and. Decreases in the other variable. (not the best iing line, per say, but the best iing curve: what does it look like? (one opion) It is accompanied by a posiive relaionship on one side and a negaive relaionship on the other side. No relaionship: changes (increases or decreases) in one variable are not associated with changes in the other variable: ex: