Question

Dr. Harrison examines the number of traumatic head injuries that occurred in California for five years before and after the passage of a law requiring the wearing of a helmet. His design would be classified as:

Answer 1

Descriptive research

Step-by-step explanation:

In a descriptive research design, a researcher(Dr. Harrison) is solely interested in describing the situation or case under his research study. It is a theory-based research design which is created by gather, analyze and presents collected data. By implementing an in-depth research design such as this, a researcher can provide insights into the why and how of research.