Gardner And Gardner (1969)

Question 0

Alternative evidence:

Gardner and Gardner (1989)

Answer 0

Moja Tatu and dar raised in a similar way but from birth grew up like siblings here they used Lang as dialogue not just demands all 3 communicated using signs which supports g and g original as it shows washoe wasn’t unique

Question 1

Methodology:

Answer 1

Case study they could gain in depth understanding
However lacked objectivity as they worked closely with washoe
It’s reliable as the criteria for what established as learning a sign for operationalised used inter rater reliability by only counting it if was noted by 3 observer
Ecol validity high as she was there from a young age behaving in a natural way
Could have Ben experimenter bias
But used double blind test to elements experimenter bias but washoe could have been responding to cues from the researcher
Hard to generalise to chimps in the wild or to bonobos as she lived there her whole life
A bit unethical as she ea in her unnatural environment

Question 2

Alternative evidence:

Terrace (1979)

Answer 2

Nim chimpsky using asl he learnt 125 signs and put them together he noticed it was differenent from a child’s language and concluded there was no understanding contradicts g and g as it suggests there was no understanding

Question 3

Alternative evidence:
Savage rumbaugh (1986)

Answer 3

Two bonobo could produce langauge from lexis rams learnt from their mother and not specifically taught
Produced 2500 non imitative combinations and responded to instructions supports g and g as it show they can acquire Lang but also develops as it shows they can also acquire symbols and highlights tht only certain types of chimp can acquire language