Last Year,the State Increased the Speed Limit on One Section

question 15

Multiple Choice

Last year,the state increased the speed limit on one section of highway from 55 to 65 mph.To evaluate the effect of the change,a researcher gathered accident reports for six months before the change and for six months after the change.This is an example of a(n) ____.

• A)​time-series design
• B)​interrupted time-series design
• C)cross-sectional design
• D)​longitudinal design

---

Definitions:

Seniors

This term refers to older adults, typically those aged 65 and above, who are often distinguished by their age group for varying social, economic, and health-related considerations.

Issues

Points of discussion, debate, or dispute that arise within social, economic, environmental, or political contexts.

Canadian Health Care System

A publicly funded and administered system that provides universal access to health care for Canadian citizens and permanent residents, based on need rather than the ability to pay.

Theoretical Perspective

A set of assumptions or a framework that guides how researchers interpret phenomena within specific fields of study.