As an Object Moves Closer to the Eye

question 1

Multiple Choice

As an object moves closer to the eye,

• A) the lens flattens.
• B) the eyes rotate medially.
• C) the ciliary muscles relax.
• D) the diameter of the pupil increases.
• E) the eye blinks.

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Definitions:

Treatments

Specific conditions applied to groups in an experiment to determine their effect on an outcome.

Mean Square

In analysis of variance (ANOVA), the average of squared differences from the mean, used to assess within-group and between-group variability.

Error

The difference between the observed value and the true value in statistics and scientific measurements.

Null Hypothesis

A statement used in hypothesis testing that indicates no significant difference or effect.