In One Massive Experiment, Potentially Delinquent Boys Were Assigned to a 5-Year

question 165

Multiple Choice

In one massive experiment, potentially delinquent boys were assigned to a 5-year treatment program that included professional counseling and family assistance. Many years later, Joan McCord's investigation of this program's effectiveness revealed that

• A) clients who received the special treatment subsequently had fewer incidents of juvenile delinquency.
• B) clients typically underestimated the truly positive effects of this program on their own lives.
• C) only the therapists who were involved in the program could accurately gauge its effectiveness.
• D) clients' accounts of the program's effectiveness were often misleading and

---

Definitions:

Withdrawing

The act of pulling back or removing oneself from a particular situation, interaction, or engagement.

Primary Reinforcer

A stimulus that satisfies a basic need or inherently reinforces a behavior, such as food or water.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance, composed of hydrogen and oxygen (H2O), that is the main constituent of Earth's hydrosphere and the fluids of most living organisms.

Grades

Marks or scores assigned to students' work to indicate the quality of their performance, typically on a scale from A to F.