If the research is subject to subpart d, which of the following research activities with children would qualify for an exemption under category 2 (research that includes educational tests, surveys, interviews, observation)?
a. observation of public behavior when the researcher participates in the activities being observedb. survey proceduresc. research about aptitude testingd. interviews

True. r u cheating on a test. bro not cool.

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.