Sasha decides to examine the public records of crime rates to determine whether perpetrators committed property crimes at an earlier age in the 1940s than in the 1970s. Sasha's research would be categorized as research. Group of answer choices

exempt

Explanation:

Exempt research refers to the projects which fulfill certain federal requirements and fall under one of the Exempt research categories mentioned below.  There are total of six categories and as per the question, the most relevant is the Surveys, educational tests, interviews,  public observations. Shasha's evaluation of public records falls under this category.

Projects which do not meet the study standards for human subjects are exempt from the evaluation by the Institutional Review Board.  

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