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Stats for key studies

        Help!  

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