In Order to Develop Chicken Pox, One Must Be Exposed

question 117

Multiple Choice

In order to develop chicken pox, one must be exposed to the virus that causes chicken pox. Note, however, that not everyone who is exposed to the virus is affected. In other words, the virus is a ________

• A) risk factor.
• B) necessary cause.
• C) sufficient cause.
• D) contributory cause.

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Definitions:

Experimenter Bias

A process where the researchers' expectations inadvertently influence the outcome of a study.

Random

Lacking any definite plan or order or purpose; governed by chance.

Ineffectual Treatment

Medical or therapeutic interventions that fail to produce the desired beneficial outcome.

Manipulated Variable

In experimental research, the manipulated variable is the factor that is intentionally changed or controlled by the researcher to observe its effects on the dependent variable.