One study found that the proportion of anger-related words in 148 million tweets from 1347 U.S.counties predicted the counties' heart disease rates better than other predictors such as smoking and obesity.This research best illustrates the use of
A) a case study.
B) experimentation.
C) a survey.
D) naturalistic observation.

Question

Quizplus · Accepted Answer

This research illustrates the use of naturalistic observation, as it involves analyzing data (tweets) from a real-world setting without manipulating any variables.

One Study Found That the Proportion of Anger-Related Words in 148