Which of the following reflects a subjective expectation of privacy?

The choice that reflects a subjective expectation of privacy is closing blinds on windows. This action indicates that a person wishes to keep their activities or private life hidden from view, demonstrating an expectation that what occurs within that space should not be observed by others. By closing blinds, an individual asserts their desire for privacy and signals that they do not want their actions or presence to be monitored, which aligns with the definition of a subjective expectation of privacy—where a person believes certain areas or activities should remain private.

In contrast, leaving doors unlocked does not necessarily indicate an expectation of privacy; it might suggest a lack of concern about privacy or security. Installing security cameras reflects a proactive stance towards monitoring space, but it does not demonstrate a desire for privacy as much as an intent to secure and surveil. Having public conversations inherently takes place in a public setting, where there is generally no expectation of privacy, as those conversations can be overheard by anyone within earshot.