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