We constructed GLM4 including the (HV+LV)T term but replacing the relative distractor value (DV-HV) with the absolute distractor value (DV) in the main term and its interactions, as follows: GLM4: = β 0 + β 1 z ( H V + L V ) + β 2 z ( H V − L V ) + β 3 z ( D V ) + β 4 z ( H V − L V ) z ( D V ) + β 5 T + β 6 z ( H V + L V ) T + β 7 z ( H V − L V ) T + β 8 z ( D V ) T + β 9 z ( H V − L V ) z ( D V ) T + ε A significant negative (DV)T effect was found for the additive group [t(72)=−2.0253, p=0.0465] while the multiplicative group had a positive trend despite not reaching significance.
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Distractor effects in decision making are related to the individual's style of integrating choice attributes.
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