Cross-Sectional Confound with Cohort in a Cross-Sectional Study on Aging,the

question 39

Multiple Choice

Cross-sectional confound with cohort In a cross-sectional study on aging,the most important factor to control for is:

• A)terminal drop.
• B)practice effects.
• C)cohort differences.
• D)lack of confidentiality.

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Definitions:

Pupil

The black circular opening in the center of the iris of the eye, through which light enters the eye.

Lens

A curved piece of glass, plastic, or other transparent materials that refracts light rays, focusing them to form an image or aid in vision correction.

Fovea

A small depression in the retina of the eye where visual acuity is highest, responsible for sharp central vision.

Lens

A transparent optical component that focuses or disperses light rays, used in devices like cameras, glasses, and microscopes.