Social Variables Researchers Implanted Electrical Devices into Patients Diagnosed with Congestive

question 36

Multiple Choice

Social Variables Researchers implanted electrical devices into patients diagnosed with congestive heart failure.They randomly assigned patients to either an experimental condition (device turned on) or control condition (device turned off) for 6 months.Neither the subjects nor the supervising physicians knew their treatment condition until the study ended.Which design did these researchers use?

• A)double-blind experiment
• B)ex post facto study
• C)pretest/posttest
• D)single-blind experiment

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Definitions:

Mood

A temporary emotional state or atmosphere that can influence an individual's outlook and behavior.

Antisocial

Exhibiting behaviors that are detrimental to or devoid of consideration for the well-being of others; often misanthropic or harmful.

Anger

A feeling that can range from slight annoyance to severe anger and wrath, usually sparked by perceived injustices or offenses.

Implicit Attitude

An unconscious and automatic association or evaluation regarding a person, object, or concept.