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What is depth perception?
Why did Gibson and Walk want to investigate depth perception?
What do nativists believe about depth perception? Give an example to elaborate...
What do the empiricists believe about depth perception?
What do interactionists believe about depth perception? Give an example...
Why would we expect depth perception to be apparent when the infant is mobile?
What did G+W want to investigate?
If perception is innate, when would we expect it to be apparent by?
Why did they use a range of non-human animals?
Where was the study conducted and what was it called?
What did the apparatus allow G+W to do?
Describe the "visual cliff"
What did they do to the ppts in reference to the "visual cliff"?
How many humans ppts and how old were they?
Which animals participated?
Why did aquatic turtles participate?
Why were control experiments conducted?
What was done to remove depth cue of motion parallax?
How many infants attempted to crawl onto the deep side and what conclusion was drawn from this?
Why did the infants cry and what did this show?
What happened with the chicks, kids and lambs. What conclusions were drawn from this?
What were the results with the rats and what did G+W conclude about this?
How do the findings for the rats support the empiricists view?
What did the research with rats suggest about motion parallax?
What were the results with the aquatic turtles and what did G+W conclude about this?
Why is a lab experiment an advantage in this study?
What is a disadvantage of the method that lowers internal validity?
How is internal validity increased by the behaviour we see due to the method?
How is there high replicability?
How do the infants ages affect reliability?
How does the sample composition affect external validity?
Why is there low ecological validity?
How did psychological harm affect the infants?
What are the ethical issues behind the kittens reared in the dark?
What was Schwartz (1973) et al's findings?
How do Schwartz (1973) et al's findings support G+W?
What did Sorce (1985) find?
How do Sorce's (1985) findings develop G+W's exp?
What did Bower et al (1970) find?
How did Bower et al's (1970) findings contradict G+W's findings?
What did Bremner(1994) conclude and how does this develop G+W's findings?