The Improvement Rate in a Group of Patients Receiving a New

question 28

Multiple Choice

The improvement rate in a group of patients receiving a new behavioral therapy for obsessive-compulsive disorder is 62 percent.The improvement in the control group,who received no therapy,is 32 percent.The improvement in the control group is most likely due to:

• A) the placebo effect.
• B) experimenter bias.
• C) participant bias.
• D) inadequate experimental controls.

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Definitions:

Grocery Stores

Retail stores that primarily sell food, both fresh and packaged, along with other daily necessities.

Early Maturation

The occurrence of a pubertal event (or set of events) before the 3rd percentile of the normal range.

Adolescents

Individuals in the developmental stage between childhood and adulthood, typically between the ages of 13 and 19.

Negative

A term often used to describe the absence of a certain condition or the reversal of a normal or positive state.