Which Statement BEST Describes the Value of Random Assignment in Experimental

question 58

Multiple Choice

Which statement BEST describes the value of random assignment in experimental designs?

• A) It enables researchers to fully control the specific experience of the different groups of participants.
• B) It helps to ensure that participants receiving different treatments are similar at the start of the experiment.
• C) It allows researchers to accurately determine the direction of causation.
• D) It removes the possibility of encountering the third-variable problem.

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Definitions:

Adenine

A purine nucleobase, one of the four nucleobases in the nucleic acid of DNA and RNA, paired with thymine in DNA and with uracil in RNA.

ATP

Adenosine triphosphate, a molecule that stores and transfers energy within cells, thereby powering a multitude of cellular processes.

Oxidation

A chemical reaction in which a substance loses electrons, often associated with the gain of oxygen or loss of hydrogen, crucial in energy production and metabolic processes.