Which Statement Best Describes the Basic Premise of the Cross-Sectional

question 77

Multiple Choice

Which statement best describes the basic premise of the cross-sectional research design?

• A)Assess different age groups (e.g. ,5-,10-,15-year-olds)at the same time (e.g. ,during the same week)
• B)Assess the same age group (e.g. ,only 5-year-olds)at the same time (e.g. ,during the same week)
• C)Assess different age groups (e.g. ,5-,10-,15-year-olds)at different times (e.g. ,5-year-olds in 2003,10-year-olds in 2004,and 15-year-olds in 2005)
• D)Assess the same group (e.g. ,5-year-olds)at different times (e.g. ,first test when kids are 5,then when they are 10,and finally when they turn 15)

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Definitions:

Acidic Chyme

The partially digested, acidic food mixture that moves from the stomach to the small intestine.

Heartburn

A discomforting burning sensation in the chest, usually occurring after eating, caused by stomach acid refluxing back into the esophagus.

Sphincter

Ring of muscle in a tubular organ or at a body opening.

High Blood Pressure

A condition where the force of the blood against the artery walls is too high, often leading to heart diseases and stroke.