36 human infants aged 6-14 months.Animals just able to move- 1 day old chicks, lambs, goats, 4 week old kittens-some reared normally or in dark for 27days, 4 week old rats-some wore hoods- used whiskers not sight,others reared in dark. Pigs, dogs,
2 of 15
36
Number of human infants
3 of 15
How old were the human infants?
6-14 months (with independent locomotion)
4 of 15
How old were the chicks, lambs and goats?
1 day old
5 of 15
How old were the kittens?
4 weeks old
6 of 15
27
Number of days that some of the kittens were reared in the dark for.
7 of 15
How old were the rats?
4 weeks old
8 of 15
What were the difference in the rats?
Some wore hoods so they used their whiskers, not their sight. Others were reared in the dark.
9 of 15
What were the difference in kittens?
Some were reared normally, some were reared in the dark for 27 days.
10 of 15
What did the visual cliff consist of?
A large glass sheet supported at least 30cm above the floor. On 1 side a sheet of patterned matierial placed under glass (shallow side) & on other side, the same patterned material was laid on the floor, giving the perception of a drop (deep side)
11 of 15
Where was the infant placed?
On the centre board to see if it would crawl to its mother who was calling to it from the 'shallow' side & then from the 'deep' side.
12 of 15
Where was the young animal placed?
On the centre board to see whether it moved on to the shallow and/or deep side.
13 of 15
How were confounding variables controlled?
eg. reflections from the glass by lighting the visual cliff from below the glass.
14 of 15
How did G&W address some ethical issues?
By using a lass shelf to create the illusion of a cliff. This ensured the pps safety, even on the 'deep' side ie. they protected the pps from harm.
15 of 15
Other cards in this set
Card 2
Front
What did G&W sample consist of?
Back
36 human infants aged 6-14 months.Animals just able to move- 1 day old chicks, lambs, goats, 4 week old kittens-some reared normally or in dark for 27days, 4 week old rats-some wore hoods- used whiskers not sight,others reared in dark. Pigs, dogs,
Comments
No comments have yet been made