There is a cost to expectation-based priming, revealed by the fact that priming the wrong detector leads to slower responding. That is, getting prepared for one target seems to hinder performance for other targets. What does this finding reveal about selective attention?

Question

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The finding that priming the wrong detector leads to slower responding suggests that selective attention is a limited-capacity system. This is because preparing for one target seems to hinder performance for other targets, indicating that there is a limit to the amount of attention that can be distributed to different targets.

There Is a Cost to Expectation-Based Priming, Revealed by the Fact