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Tradeoffs and theory : the double-mediation model . Most theories of decision making suggest that , when options imply tradeoffs between their attributes , conflict increases as tradeoff size increases , because greater sacrifices are to be incurred in choosing one option instead of another . An alternative view is that conflict decreases as tradeoff size increases , because stronger arguments can be made for any decision . The authors propose a unified model , the double-mediation model , which combines the mediating effects of sacrifice and argumentation . Our model generally predicts an inverse U-shaped relation between tradeoff size and conflict . Results support this prediction . Also , when the decision situation increases the mediating effect of sacrifice relative to that of argumentation , the relation between tradeoff size and conflict changes in an upward direction ; conversely , when the decision situation increases the mediating effect of argumentation relative to that of sacrifice , the relation changes in a downward direction . Results support these predictions as well . Commonalities and differences between our model and other formulations are discussed .
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Intervention_Educational
double-mediation model .
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Intervention_Educational
double-mediation model ,
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which combines the mediating effects of sacrifice and argumentation .
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Participant_Condition
double-mediation model
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relation between tradeoff size and conflict