One of the changes in ethnographic work that has occurred in the twenty-first century has to do with the degree to which native voices are considered. how has this changed? a. native voices are used a bit less today. b. the inclusion of native voices has increased. c. the inclusion of and emphasis on native voices has remained about the same. d. today, native voices are used exclusively.

C). The inclusion of Indigenous Peoples in research has increased.

Explanation:

The native voices in the twenty-first century are not only considered but have also been provided significance. The primary reason or factor of this change has occurred due to 'significant increase in inclusion of indigenous people in research' and giving value to the richness of their culture, customs, and ethnicity. Ethnography is a process that is directly affiliated to scientifically describing the human cultures, their customs, and society. Thus, the inclusion of indigenous people have not only considered the native voices but also gave importance and identity to their cultures. Therefore, option C is the correct answer.