You Conduct a One-Group Before-After Design Evaluation of a Program

question 25

Multiple Choice

You conduct a one-group before-after design evaluation of a program that aims to reduce juvenile delinquency. You discover that, in the year following the program juveniles were taken down to the police station for getting into trouble less often than the year before they enrolled in the program. While this is promising, what is a substantial potential threat to internal validity here?

• A) Time order of variables
• B) Demoralization
• C) Statistical conclusion validity
• D) Maturation

---

Definitions:

Physical Exercise

Any bodily activity that enhances or maintains physical fitness, overall health, and wellness.

Adverse Reactions

Any unexpected, harmful effect experienced after the administration of a drug or therapy. Also referred to as side effects, especially when minor.

Medications

Medications are substances used to diagnose, treat, or prevent illness and disease, ranging from over-the-counter drugs to prescription pharmaceuticals.

Neurocognitive Disorders

A category of mental health disorders that primarily affect cognitive abilities including learning, memory, perception, and problem-solving.