identify the protected populations, whose stu...

identify the protected populations, whose study often requires an extra level of approval. protected population(s) ethnic minorities + people with disabilities + minors + prisoners

Answer

# Brief Explanations: Ethnic minorities, people with disabilities, minors, and prisoners are often considered vulnerable groups. Their study requires extra - level approval due to their potential susceptibility to harm or coercion in research. # Answer: Ethnic minorities, people with disabilities, minors, prisoners