Savage Rumbaugh
- Created by: emma
- Created on: 16-03-14 11:42
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- Savage Rumbaugh
- Aim
- Study the language acquisition of 2 pygmy chimps compared to 2 common chimps
- Method
- Longitudinal case study focused on language development in pygmy chimps
- At language research centre of Georgia state uni
- Lasted 10 years but report on a 17 month period
- From when kanzi was 30m - 47m
- Could be quasi
- IV the ape species
- DV language acquisition
- Procedure
- Communication system
- Indoors battery powered lexigram
- Contain 256 geometrical shapes that light when touch
- Kanzi's was attached to a voice synthesizer as he understood spoken english
- Outdoors a pointing board was used
- Sherman and austins hand movements were to broad for this
- Sherman and Austin introduced to lexigram in a training setting
- Kanzi and mulika introduced in an observational setting
- Indoors battery powered lexigram
- Kanzi and mulika rearing environment similar to austin and sherman
- Attachment to caretakers, exposure to human speech, gestures, photographs, formal tests, discipline
- outdoor environment
- 55 acre forest in which food items were placed in 17 named locations
- Food not available in lab in warmer months
- Had to travel during day with a human companion to obtain it
- 55 acre forest in which food items were placed in 17 named locations
- Indoor enrivonment
- Kanzi and Mulika asked to help in activities e.g. making bed
- Games toys videos available for chimps to use
- Humans on hand to interact with them
- Data measurements
- Records of K's language development from 2 1/2 years through 17month period
- Records for M from 11- 21 monthd
- Classification
- Correct
- Incorrect
- Spontaneous
- Imitated
- Structured
- Controls
- 4.5 hours of video tape
- 2 observers , one scoring in real time compared to one scoring from video footage
- Formal test
- Spoken word to photograph
- Spoken word to lexigram
- Synthesised speech to lexigram
- Photograph to lexigram
- Records of K's language development from 2 1/2 years through 17month period
- Language acquisition criteria
- used spontaneously 9 out of 10 times
- followed by behavioural conformation 9 out of 10 times
- Communication system
- Results
- Kanzi
- 30 month- orange, peanut
- 31 month- ball, cherry
- 32 month- jelly, melon
- 33 month- trailer, milk
- 34 month- key, tickle
- Mulika
- 17 month- milk
- 20 month- key, t-room
- 22 month- juice, water
- 37 month- groom
- Kanzi
- Participants
- Kanzi
- Male Pygmy born in captivity
- 4 at time of report and reared in a language using enviroment
- First exposed to symbols, gestures, human speech at the age of 6 months
- Watched his mother and keepers
- Separated from mother at 2 1/2 years and developed a preference for human company
- Observed spontaneously using lexigram he had seen his mother use
- Male Pygmy born in captivity
- Mulika
- 3 During reported period
- At 4 months developed an eye infection
- When returned preferred to spend time with humans was still attached to her mother
- Didn't observe matata using lexigram
- Observed Kanzi using the lexigram
- Sherman and Austin
- Common chimps included as a comparison
- Taken part in earlier training
- At time of report sherman was 9 austin was 10
- Separated from mothers before coming to research centre
- Kanzi
- Aim
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