CogLab #4- Garner Interference

CogLab #4- Garner Interference - COGLAB #4: GARNER...

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COGLAB #4: GARNER INTERFERENCE -Researchers are interested in whether variation along the irrelevant dimension causes interference (decrease in speed of responding & accuracy) -According to GARNER (1974) some dimensions are separable (no interference) & others are integral (is interference). People seem to process two integral dimensions as one dimension, hence interference. BASELINE CONDITION -Stimulus only has one saturation (high/ low) CORRELATED CONDITION -Stimulus can have high or low saturation & varies w/ brightness or size -Shortest reaction time FILTERING CONDITION -Stimulus varies in saturation, but can be paired w/ either other trait of stimulus -Slowest reaction time & poorest % correct -Both dimensions randomly paired SEPARABLE -Visual system represents relevant & irrelevant stimulus independently. -Easy to focus attention on just dimension that matters. INTEGRAL -Visual system represents relevant & irrelevant stimulus together. As a result, difficult to focus attention on just one dimension that matters. -CORRELATED CONDITION- reaction time shortest & accuracy highest
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This note was uploaded on 02/23/2012 for the course PSY 305 taught by Professor Reeves during the Spring '08 term at University of Texas at Austin.

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CogLab #4- Garner Interference - COGLAB #4: GARNER...

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