A researcher tries to show that the frequency of traffic accidents increases in warmer weather.This researcher need to consider whether there are more cars on the road when it is warmer.This "number of cars" variable must be considered to make sure the relationship between traffic accidents and temperature is not a
A)natural-treatment relationship.
B)causal relationship.
C)spurious relationship.
D)contaminated relationship.

Question

Quizplus · Accepted Answer

The variable of "number of cars" can act as a confounding variable, creating a spurious relationship between traffic accidents and temperature. It is essential to control for this variable to ensure that the relationship between traffic accidents and temperature is not just due to the presence of more cars on the road during warmer weather.

A Researcher Tries to Show That the Frequency of Traffic