Which research example would be allowed under regulations involving prisoners?

The choice of examining age at first arrest as a predictor of adult criminal history aligns with the regulations involving prisoners because it involves research that does not intervene directly with the inmate population in a way that could pose risks or harm. This type of study focuses on collecting existing data and observational information, which is considered to be less intrusive.

The regulations emphasize protection for vulnerable populations like prisoners, who may be subject to coercion or undue influence in research settings. Research that purely analyzes historical data or trends, such as the relationship between an arrest at a younger age and subsequent criminal behavior, minimizes the risk of harm and respects the autonomy of individuals, which is why this type of research is permissible.

In contrast, other options involve direct interaction with prisoners or experimentation in a way that could influence their lives or consent. Evaluating rehabilitation programs or studying mental health implications of confinement might require therapeutic interventions or affect the prisoners’ living conditions, posing ethical concerns. Similarly, investigating prison architecture may require detailed interaction with inmates that could lead to unintended consequences or coercive situations.