[Solved] Inmates from the county prison who are on work release are counted as part of the labor force. Sexual Behavior: Actions that individuals engage in to express their sexuality, including physical intimacy and erotic activities. Survey Research Method: A systematic collection of data from individuals using questionnaires or interviews to study and analyze opinions or behaviors. Casual Sex: Sexual activities occurring outside of a formal relationship without the expectation of commitment or emotional attachment. Observational Research: Studies in which the researcher unobtrusively observes people’s behavior and records the findings.