Final answer:
Social norms fall under the field of Social Studies. When establishing national norms, a diverse norm group should be included.
Step-by-step explanation:
The subject of this question is social norms, which fall under the broader field of Sociology in the subject of Social Studies. Norms are behaviors that reflect compliance with what cultures and societies have defined as good, right, and important. When establishing national norms, it is important to include a diverse norm group that includes males and females from urban, suburban, and rural locations in a variety of geographic regions throughout the country, as well as individuals from different socioeconomic and ethnic groups.