1-90. A RESEARCHER IS INTERESTED IN KNOWING IF EXPOSURE TO CERTAIN C...
1.1-90. A researcher is interested in knowing if exposure to certain chemicals has an effect
on mental acuity in old age. He compares the mental acuity of a group of elderly
people who were exposed to the chemicals and another group who were not. The
study would be an example of what kind of research?
a. an experiment
b. a
quasi-experiment
c. a cross-sectional study
d. a longitudinal study
e. a case study
Difficulty:
2
Question ID: 1.1-90
24
Page-
Reference:
Topic:
Finding the Answers: Research Designs and Methods
Skill:
Application
Objective:
1.13
Answer: b. a quasi-experiment