Cooper and Zubek (1958)found That Maze-Bright Rats Made Fewer Maze

question 62

Multiple Choice

Cooper and Zubek (1958) found that maze-bright rats made fewer maze errors than maze-dull rats only if both groups had

• A) been reared in an impoverished laboratory environment.
• B) been reared in an enriched laboratory environment.
• C) been equated for emotionality.
• D) received tranquilizers.
• E) been pretrained.

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Definitions:

Heads

The upper part of the human body or the front part of the body in animals; contains the face and brains.

Ulnar Grasp

A developmental stage in infants where they are able to grasp objects by closing their fingers and thumb against the palm.

Canalization

A concept in developmental biology and genetics referring to the ability of an organism to produce the same phenotype despite variations in genotype or environment.

Pincer Grasp

The coordination of the index finger and thumb to hold an object, an important developmental milestone in infants.