Posner, Snyder, and Davidson (1980) examined spatial attention using arrows as a prime. Most of the time the arrow pointed to the area where the stimulus would appear, but 20% of the time it did not. They compared reaction times (RTs) when the cue was valid, when it was invalid, and when a neutral cue was presented. Which of the following statements was NOT supported by their findings?Select one:a. Spatial attention is limited in capacity. b. We can attend to two different locations without a reduction in performance. c. RTs were faster for responses to valid cues relative to neutral cues. d. RTs were slower in the invalid condition than in the valid condition.

b. We can attend to two different locations without a reduction in performance.

Explanation:

Posner, Snyder, and Davidson examined spatial attention using arrows as a prime 1980 but the statement "We can attend to two different locations without a reduction in performance" was not supported by their findings.

The Posner paradigm which was formulated by Micheal Posner is a kind of task that is done to gauge person's capability to perform an attentional shift or studying individual visual attention.

The most significant aspect of cue paradigm is that it can be valid or invalid.

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.

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