Lorenz and Harlow Flashcards
what did lorenz study
imprinting
what animal did lorenz study on
geese
what was the study
divided geese eggs into 2 groups
one group was with their mother
one group was in an incubator
when the incubator group hatched they saw lorenz and started to follow him around
what is the critical period
short time in which the infant needs to be exposed to the mother otherwise imprinting will not occur
once an imprint is made can it be changed
no it is irreversible
what are the later consequences
acts as a template for future reproductive partners
what study criticises irreversibility
guiton found he could reverse imprinting in chickens who were imprinted on rubber gloves
what did harlow study
origins of love
what animal did harlow study on
monkeys
what was the study
monkeys were separated from mothers and raised alone then placed in a lab with 2 surrogate mothers
one had food and one had a blanket
what were the results
monkeys spent most time with comfort mother
what are weaknesses of this study
the mothers had different faces which could have affected the results
does not generalise as humans are more complex
ethical issues as monkeys were isolated from mother
lacked ecological validity
