A Researcher Is Interested in the Effect of a Late

question 65

Multiple Choice

A researcher is interested in the effect of a late afternoon snack on attention to school work. She designs a single-case design to test the hypothesis that the snack will increase the number of minutes of attention. She uses one child and starts out by measuring his attention to school work during 10 baseline sessions. She then introduces the snack for 10 sessions. After those 10 sessions, she withdraws the snack and examines 10 sessions of baseline again. Finally, she then reintroduces the snack for 10 more sessions. What kind of design is this?

• A) Multiple-baseline design across settings
• B) ABAB design
• C) Changing-Criterion Design
• D) Multiple-baseline design across people

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

---

Definitions:

Norepinephrine

A neurotransmitter and hormone involved in the body's response to stress, increasing heart rate, blood pressure, and sugar levels in the bloodstream.

Serotonin

A neurotransmitter associated with mood regulation, emotion, and sleep.

Lithium

A chemical element and mood-stabilizing drug used primarily in the treatment of bipolar disorder.

Suicide Rates

The number of suicides occurring within a given population and time frame, often expressed per 100,000 individuals per year.