A Researcher Conducting a Study Testing the Effects of Caffeine

question 190

Multiple Choice

A researcher conducting a study testing the effects of caffeine on attention is concerned about experimenter bias. The way for her to reduce this problem would be to

• A) use random assignment.
• B) use the double-blind technique
• C) use a placebo.
• D) bear mind the potential placebo effect.

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Definitions:

Smallest

Pertaining to the least in size, amount, degree, or the like.

Scientific Education

The process of teaching and learning about scientific concepts, methods, and the natural world through observation and experimentation.

Deductive Reasoning

A logical process in which a conclusion is based on the concordance of multiple premises that are generally assumed to be true.