A Practitioner Conducts a Single-Case Evaluation to Test Whether a Recently

question 4

Multiple Choice

A practitioner conducts a single-case evaluation to test whether a recently developed intervention is effective in reducing antisocial behaviors by children in a residential facility. During the 20 days before implementing the new intervention she observes between 15 and 17 antisocial behaviors each day. After implementing the intervention she observes between 15 and 17 antisocial behaviors each day for 19 days, but then on the twentieth day no antisocial behaviors occur. She should conclude:​

• A) ​The intervention clearly was effective.
• B) The improvement most likely was due to maturation.​
• C) History is a plausible explanation for the improvement.​
• D) Regression to the mean is the most plausible explanation for the improvement.​

---

Definitions:

Cost-benefit Value

The analysis or assessment of the anticipated costs and benefits of a particular project or decision.

Resist Change

The tendency of individuals or organizations to oppose or struggle against modifications to the status quo.

Defending

The act of safeguarding something from criticism, danger, or attack, often applied in contexts ranging from personal beliefs to protecting market share.

New Technology

Refers to the latest advancements and innovations in technology that offer new capabilities or significant improvements over previous versions.