Which of the Following Situations Is Least Representative of Experimental

question 5

Multiple Choice

Which of the following situations is least representative of experimental research?

• A) Five samples are drawn from a population, and each sample trains with a different method. Then differences among samples are determined.
• B) Two samples are drawn from a population. One sample receives a treatment, and the other sample receives no treatment. Differences between samples are determined.
• C) From a population, a sample is drawn. Participants are tested before and after receiving a treatment. The differences in their two scores are determined.
• D) From a population, a sample is drawn. One half of the sample receive treatment A and then treatment B, while the other half receive the treatments in reverse order. The difference in the two treatments is determined.
• E) Three samples are drawn from a population. Participants are tested, and differences among samples is determined.

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Definitions:

Intravenous (IV) Line

A medical device used to deliver fluids, medications, or nutrients directly into a vein.

Manipulated

Handled, managed, or controlled in a skillful manner, often to achieve a desired outcome.

Punishing

The act of imposing a penalty or adverse consequence on someone as a response to unwanted or unacceptable behavior.