Dr. Gomez includes a survey question in her evaluation research that asks respondents to report their weekly church attendance. She finds that nearly no one in the survey reports going to church less than once a week, but she suspects that is not accurate. What concept best captures Dr. Gomez's problem?

Why did the medicine lodge creek treaty fail to bring peace to west texas? a. native americans protested the sale of weapons on reservations. b. supporters of the treaty face discrimination in their own communities. c. the united states government and native americans both refused to fully carry it out. d. the united states government prevented its military from entering reservations.