Random Assignment Is Important to an Experiment to Ensure That

question 12

Multiple Choice

Random assignment is important to an experiment to ensure that

• A) any differences found between the groups are caused by the independent variable.
• B) any differences found between the groups are caused by the dependent variable.
• C) the subjects in a study are a good representation of the larger population.
• D) experimenter bias does not contaminate the results.

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Definitions:

Finger

A digit on the hand, of which humans typically have five on each hand, used for manipulative and sensory purposes.

Pressure

The force per unit area applied on a surface or the feeling of stress or urgency induced by external or internal factors.

Parenteral Nutrition

Nutritional support provided intravenously, bypassing the usual process of eating and digestion.

Enteral Feeding

A method of supplying nutrition directly to the stomach or small intestine through a tube when oral intake is inadequate or impossible.