Palmer (1975) - Schemas
- Created by: Ellsbells98
- Created on: 29-05-15 12:34
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- Palmer (1975) - Schemas
- Aim: whether context would affect perception
- 64 students, laboratory experiment
- Shown visual scenes - kitchen opposite
- Scenes shown for 2 seconds & provided a context
- Participants shown an object to identify - included a mailbox, load and a drum.
- IV: 4 conditions of the context shown - appropriate (loaf after a kitchen scene), inappropriate, similar oject (mailbox looking like a loaf, kitchen scene), inappropriate (drum after kitchen scene), no context
- Repeated measures - every participant used in each condition
- DV: correctly identified objects
- Repeated measures - every participant used in each condition
- IV: 4 conditions of the context shown - appropriate (loaf after a kitchen scene), inappropriate, similar oject (mailbox looking like a loaf, kitchen scene), inappropriate (drum after kitchen scene), no context
- Participants shown an object to identify - included a mailbox, load and a drum.
- Scenes shown for 2 seconds & provided a context
- Shown visual scenes - kitchen opposite
- Results: correctly identified the most objects after seeing an appropriate context, least after seeing inappropriate
- Conclusion: expectations affect perception. Have a perceptual set based on context - affects accuracy when recognising objects
- Strengths: Palmer controlled how long they saw the context for so differences in accuracy was not caused by having longer. && Participants had instructions so they knew what to do && data from 2 wasn't used because they forgot their glasses - poor vision could have affected results.
- Differences: Because they were told what they were doing, they could have tried harder in some conditions. && data from some participants couldn't be used so there were fewer results.
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