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GCSE key findings
Stats for key studies
| Term | Definition |
|---|---|
| Capacity of sensory memory | Very large |
| Duration of sensory memory | 250ms |
| Coding of sensory memory | All the senses |
| Capacity of short term memory | 7 (+/- 2) items |
| Duration of short term memory | 30 seconds |
| Coding of short term memory | Acoustically |
| Capacity of long term memory | Infinite |
| Duration of long term memory | Lifetime |
| Coding of long term memory | Semantic (meaning) |
| Murdock sample size | 103 participants |
| Sensorimotor stage of development | 0-2 years. Rely on senses to understand the world and make decisions. Egocentric. Lack object permanence and conservation. |
| Pre-operational stage of development | 2-7 years. Have object permanence and egocentrism. They can start to have abstract thinking. |
| Concrete operational stage of development | 7-11 years. Not egocentric. Have object permanence and conservation. Much stronger at abstract thinking. |
| Formal stage of development | 12+ years. Have mastered abstract thinking, have hypothetical reasoning. |
| McGarrigle and Donaldson sample | 80 children aged 4-6 years |
| % of children in McGarrigle and Donaldson study who correctly said the counters were the same | 60%+ |
| Hughes' policeman doll study sample | 30 children aged 3.5-5 years |
| % of children in Hughes' study who correctly hid the boy doll | 90% |
| % of young children in Hughes' study who correctly hid the doll when more than two walls were used | 60% |
| Asch sample | 123 US students |
| % of overall conformity in Asch | 33% |
| % of ppts who conformed at least once in Asch | 75% |
| Milgram sample | 40 US male volunteers, aged 20-50 years |
| % who obeyed to 450V in Milgram | 65% |
| Piliavin sample | 4,450 members of the public on a New York subway train |
| Piliavin help: cane vs. drunk | 95% cane vs. 50% drunk |
| Piliavin help: same race | 64% same race |
| Piliavin help: male passengers | 90% of first helpers were male |
| Von Frisch: turn rapidly in circles to the right and then left | Less than 100m from food source |
| Von Frisch: tail-wagging dance, move forward in a straight line, wagging their abdomen from side to side | When the food source is >100m away |
| Von Frisch: % of bees who saw the dances that went to food source | 60% |
Created by:
SBlakeley
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