The Constant Quivering Movements of Our Eyes Enable Us to

question 10

Multiple Choice

The constant quivering movements of our eyes enable us to

• A)focus the light on our retina.
• B)adjust the size of the pupil.
• C)minimize sensory adaptation.
• D)do all of these things.

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Definitions:

Causes

Factors or conditions that directly bring about an effect or change in another variable or event.

Crosstabulation

A method of tabulating data that allows for the comparison of two or more variables by creating a matrix that displays their interaction.

Categorical Variables

Variables that represent types or categories that data can fall into; they can be nominal (no specific order) or ordinal (with some order or ranking).

Quantitative Variables

Variables that are measurable and can be expressed numerically, representing counts or measurements.