To Investigate the Effects of a New Drug for Hyperactivity

question 23

Multiple Choice

To investigate the effects of a new drug for hyperactivity, one group of children is given this new drug, while the other group is given a placebo. The experimenter has his assistant label the drug and the placebo with letter names so that he will not know which group of children is getting the placebo and which group is getting the new drug until the end of the experiment. This researcher is using a

• A)double-blind experiment to minimize research participant bias and researcher bias.
• B)single-blind experiment to minimize observer bias and the observer effect.
• C)triple-blind experiment that incorporates random selection and random assignment.
• D)placebo effect to maximize the self-fulfilling prophecy.

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Definitions:

Purely Competitive Labor Market

A resource market in which many firms compete with one another in hiring a specific kind of labor, numerous equally qualified workers supply that labor, and no one controls the market wage rate.

Rate of Unionization

The percentage of workers who are members of a union within a particular workforce or industry.

Protective Service Workers

Individuals employed in occupations that focus on public safety, law enforcement, and security services.

Job Turnover

The rate at which employees leave a workforce and are replaced by new employees.