Mike's Research Has Shown a Positive Correlation Between the Number

question 191

Multiple Choice

Mike's research has shown a positive correlation between the number of books in families' homes and the grade-point averages of the children in those families. Mike's results indicate

• A)that the presence of many books in a home causes children to be more studious.
• B)nothing, because the study did not take library borrowing into account.
• C)parents who buy many books encourage their children to study.
• D)the children of families with a large number of books at home tend to do well in school.

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Definitions:

Optic Chiasms

A cross-shaped connection of the two optic nerves in the brain where visual signals are partially crossed to the opposite side of the brain.

Electrochemical Impulses

Bioelectrical signals that transmit information between neurons in the nervous system.

Light

Electromagnetic radiation within a certain portion of the electromagnetic spectrum, visible to the human eye.

Sensory Thresholds

The minimum level of stimulus intensity required to be perceived or detected by the sensory systems.