A researcher finds that people who own more than two cars have bigger homes, more garage space, and make more money than people who own only one or two cars. Therefore, the researcher concludes that having more than two cars causes people to have homes with bigger garages. According to Cook and Campbell's types of evidence, the researcher failed to eliminate:

Question

Quizplus · Accepted Answer

The researcher failed to eliminate alternative explanations, which means there could be other factors causing the relationship between owning more than two cars and having bigger homes and garages, such as income or location. Therefore, it cannot be concluded that owning more than two cars causes people to have homes with bigger garages.

A Researcher Finds That People Who Own More Than Two