If Researchers Are Interested in the Average Time It Takes

question 147

Multiple Choice

If researchers are interested in the average time it takes to press a button when a green light flashes on a screen,and they simply measure the reaction times of volunteers who sign up for the study,what rationale would the researchers give for not using random sampling?

• A)Sometimes generality does not matter.
• B)Sometimes generality cannot be determined.
• C)Sometimes generality can be determined.
• D)Sometimes generality can be assumed.

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Definitions:

Epithelial

Pertaining to the epithelium, a layer of cells covering the body surfaces, lining hollow organs, and forming glands.

Nervous

Relating to the nervous system, which is the network of nerve cells and fibers that transmits nerve impulses between parts of the body.

Haversian Canals

Microscopic tubes or channels within the bone that contain blood vessels and nerves; part of the bone's vascular and innervation system.

Canaliculi

Small, channel-like structures in bones that allow for communication and nutrient exchange between osteocytes.