.
Experiment
Observation
Self Report
Correlation
Independent measures
Repeated measures
Matched pairs
Whether the kittens were reared in an illuminated or dark environment.
Whether the kittens wore glasses that restricted their vision to horizontal or vertical.
Whether the kittens were reared in a horizontal or vertical environment.
Whether the kittens were placed in an illuminated or dark restricted.
The kittens were taken to a dark room. Their visual reactions were observed and recorded/noted.
The kittens were taken to a room with tables and chairs. Their visual reactions were observed and recorded/noted.
The kittens had to navigate through an obstacle course. Their visual reactions were observed and recorded/noted.
From 6 months to 2 years
From birth to 1 year
From birth until 2 years
From 1 year to 2 years
150
145
90
130
1
2
3
4
By sight
By hearing
By smell
By touch
1 Hour
10 Hours
24 Hours
They didn't
90%
75%
60%
45%
24
12
5
9
They wore glasses
They were given a collar
They wore a hat
X=genetic y=functional
X=functional y=genetic
Motor cortex
Pupil exposure
Visual response rates
Primary visual cortex
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