In the research question, "Students that have a dog are more likely to report walking 2 or more miles weekly in comparison to students that do not have a dog", the exposure isIn the research question, "Students that have a dog are more likely to report walking 2 or more miles weekly in comparison to students that do not have a dog", the outcome is The research question indicates the study population, the exposure or factor that may be altering another factor, the direction that the exposure is expected to be altering a factor and the outcome or that factor that is being altered