Answer:
a. exempt.
Step-by-step explanation:
Exempt Research is a term that describes research involving human subjects studies that has no greater than minimal risk or no risk at all, no deception to subjects participants, and no sensitive information, no vulnerable population and no protected classes of subjects and at the same time, fit into one or more exempt categories
The exempt categories in the United States are the following:
1. Educational settings, practices
2. Secondary Research Studies using Identifiable Private Information or Biospecimens
3. Research involving Benign Behavioral Interventions
4. Taste and Food Quality and Consumer Acceptance
5. Educational tests, surveys, interviews, observations
6. Educational Tests, Surveys, Interviews, Observations of Public Officials
Hence, Research on the effectiveness of normal educational activities would generally be categorized as EXEMPT.