Participants Should Be Selected by Chance for an Experimental or Control

question 70

Multiple Choice

Participants should be selected by chance for an experimental or control group so each has equal probability of being assigned to any of the groups. This is done by _____

• A)random assignment.
• B)researcher assignment.
• C)participant assignment.
• D)random sampling.

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Definitions:

Cisterna Chyli

A dilated sac at the lower end of the thoracic duct into which lymph from the intestinal trunk and two lumbar lymphatic trunks flow.

Thoracic Duct

The largest lymphatic vessel in the body which transports lymph and chyle from the lower and left side of the body to the bloodstream.

Lymphatic Ducts

Large vessels of the lymphatic system that drain lymph from various parts of the body back into the bloodstream.

Laryngopharynx

The lower part of the pharynx just below the oropharynx and nasopharynx and above the esophagus and larynx, involved in both respiration and digestion.