State Highway Safety Experts Claim That the Recent Rise in Highway

Multiple Choice

State highway safety experts claim that the recent rise in highway fatalities involving tractor trailers is a result of truckers receiving insufficient rest.They randomly sample 200 truckers who are on interstate deliveries and record the total amount of non-driving time they have had over the past 72 hours.This study is BEST described as a(n) _____ study.

A) observational
B) longitudinal
C) experimental
D) inferential