When the Samples We Want to Compare Are Paired in Some

question 1

Multiple Choice

When the samples we want to compare are paired in some natural way,such as pretest/posttest for each person or husband/wife pairs,a more appropriate form of analysis is to not compare two separate variables,but their .

• A) difference
• B) sum
• C) ratio
• D) total
• E) product

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Definitions:

Reverse Peristalsis

The backward movement of the contents of the digestive tract, which can lead to vomiting, as a result of the muscles contracting in the opposite direction of normal digestion.

Secretin

A hormone produced by the duodenum that stimulates the pancreas to release bicarbonate-rich fluids to neutralize stomach acid.

Gastrin

A hormone produced by the stomach that stimulates the secretion of gastric acid.

CCK

Cholecystokinin, a hormone that stimulates the digestion of fats and proteins by promoting the release of digestive enzymes and bile from the pancreas and gallbladder.