A Planned Quasi-Experimental Study Using a Nonequivalent Control Group Design

question 10

Multiple Choice

A planned quasi-experimental study using a nonequivalent control group design has several extraneous variables that threaten its internal validity. The nurse researcher's actions should be based on which understanding?

• A) The results of the study will not be statistically significant.
• B) The random assignment of subjects to groups will nullify the intervening variables.
• C) The study should be strengthened by controlling intervening variables.
• D) Because observation rather than causation is the purpose of the study, no action is necessary.

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