Question

In the classic study Alameda County study (Berkman & Syme, 1979), almost 7,000 people were asked about their social and community ties, and their death rate was tracked over 9 years.Results showed that those with fewer social and community ties were more likely to die during this period than were people with many such ties. This is an example of a(n) ______.

		cross-sectional study
		longitudinal study
		replication study
		meta-analysis

Answer 1

Answer: B. longitudinal study

Explanation:

Longitudinal Study: A study in which same group of people will be studied repeatedly with a time gap called a longitudinal study. These studies will take a long time to come to conclusions. That's why this type of studies are named longitudinal studies.

In the above-given case, almost 7000 people were tracked over 9 years. This study had taken long time and it had done repeatedly. So that this is an example of a longitudinal study.