The Effect of Salient Items on the Set Size Effect in Ensemble Perception
There is still debate regarding the effect of salient item types on the set size effect in ensemble perception.In Experiment 1,an adjustment paradigm was used,requiring participants to self-adjust to the set mean.An absolute deviation metric was introduced to measure the difference between participants'responses and the correct values,exploring the impact of salient item types on the set size effect in ensemble perception.Experiment 2 increased the number of salient items to further examine the impact of irrelevant salient items on the set size effect in ensemble perception.The results showed that,compared to the no salient item condition,the condition with relevant salient items exhibited greater absolute deviation,demonstrating a set size gain effect.Irrelevant salient items only showed this phenomenon when their number was large.The findings indicate that different types of salient items affect ensemble perception and the set size effect,with relevant salient items having a greater impact.Irrelevant salient items only reduce ensemble perception performance when their number is increased.This discovery reveals that ensemble perception is based on the processing of all items in the set,assigning different weights to salient and non-salient items,supporting the ensemble amplification hypothesis.
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