PSYCH 1X03 Lecture Notes - Lecture 8: Donald Broadbent, Visual Search, Stroop Effect
17 Jan 2018
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Phenomenon -> model ->hypothesis, selection, attending to an object causes the object of attention to be selected apart from the rest of the unattended objects. Increase processing of info: faster reaction time, higher accuracy, cock tail party effect: Information first pass through this: base on physical cue. Consider further: this model is very powerful because it explain broadbent"s finding from the dichotic listening paradigm and also explain the phenomena such as breakthrough and the result of von weight, breakthrough: Find red in green: pop-out effect, when the object of a visual search is easily found regardless of set size, easily induced by color. Conjunction search visual search task (more features ): Example: find green t in red t and green i. You know the general range so you can find more quickly. Contextual features associated with particular stimuli or experience help us predict outcomes when we encounter such cues in the future.
