Cancer Clusters

question 23

Multiple Choice

Cancer clusters

• A)are generally unexplainable.
• B)can be identified as 'unusual' and not random through statistical methods.
• C)are normally found applied to respiratory cancers only.
• D)are located generally in the western United States where industry thrives.

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Definitions:

Nonequivalent Control Group Design

An experimental design in which the participants are not randomly assigned to groups, potentially endangering the internal validity due to selection bias.

Selection Differences

Variations in the characteristics of participants in different groups of an experiment due to non-random assignment.

Serious Flaw

pertains to a significant error or shortcoming in design, methodology, or interpretation that can undermine the reliability, validity, or integrity of a research study or argument.

Participant Dropouts

Individuals who withdraw from a study or experiment before it is completed, affecting the validity of the results.