Venue Identification: Identifying places where the target population congregates, such as bars, clubs, parks, or clinics. Venue Mapping: Creating a comprehensive list of these venues, often with input from key informants knowledgeable about the population. Time-Location Sampling: Selecting specific times to visit each venue to recruit participants. This ensures that the sample is representative of the population's behavior patterns. Participant Recruitment: Approaching individuals at these venues to invite them to participate in the study.