Suppose That Scientists Want to Determine If an Experimental Vaccine

question 49

Multiple Choice

Suppose that scientists want to determine if an experimental vaccine is effective in preventing a particular disease. In an experiment designed to test the vaccine, those participants who receive a placebo (nonmedicinal) solution rather than the proposed vaccine are part of what group?

• A)control
• B)research
• C) placebo
• D) experimental

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Definitions:

Punishment

A consequence given in response to an action or behavior that is deemed unacceptable, with the intent to reduce or eliminate that behavior.

Sporadic

Occurring occasionally, irregularly, or in scattered instances without a pattern or predictable rhythm.

Avoidance Training

A learning process wherein an individual learns to prevent the occurrence of an unpleasant or aversive stimulus by making a particular response.

Vitamin Deficiencies

Conditions that occur from the lack of essential vitamins in the diet, leading to various health problems.