25 January 2010 Lecture

25 January 2010 Lecture - 25 January 2010 Lecture Variables...

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25 January 2010 Lecture Variables -Anything to which more than one value can be assigned X Y Independent variable Dependent variable Causal variable outcome variable Exogenous variable Endogenous Variable Cause (X-horizontal axis) Effect (Y-Vertical axis) X M Y Independent variable Mediating Variable Dependent Variable Causal Variable Intermediate Variable *Get the last row of this table Variables x Z=0 Y z=1- Y Moderating Variable (Z) Interaction term (X*Z) Theory -An analytic structure designed to explain a set of empirical observations -A systematic and plausible set of generalizations….(get rest from reading) Ex: Theory of Violent Video Games and Aggression Playing violent video games aggressive affect aggressive behavior- cardiovascular arousal Independent variable: playing video games Dependent Variable: aggressive behavior Mediating Variables: Hypothesis -A specific statement or proposal that can be tested by means of gathering empirical evidence -Playing violent games (X)*gender (Z1)
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25 January 2010 Lecture - 25 January 2010 Lecture Variables...

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