A researcher has a dataset of 20,000 individuals surveyed by telephone and seeks to examine what demographic characteristics are associated with smoking .What type of data is this?
A)Aggregate
B)Ecological
C)Hierarchical
D)Microdata

Question

Quizplus · Accepted Answer

Microdata refers to individual-level data, such as the data collected from each of the 20,000 individuals in the survey. This type of data allows researchers to examine characteristics and patterns at the individual level, such as demographic factors associated with smoking.

A Researcher Has a Dataset of 20,000 Individuals Surveyed by Telephone