Collect data (physiological, paper and pencil measures, dietary recalls, and computerized laboratory tasks) per study protocol. Complete data entry and quality assurance assignments. (45% Essential: 1),Conduct scripted telephone eligibility screenings (30% Essential: 1),Act as primary point of contact for study participants; schedule appointments; conduct reminder calls; oversee in-person session prep (10% Essential: 1),Collect, process, log and ship samples (e.g., urine and saliva) according to study-specific protocols and maintain the cleanliness of lab spaces (5% Essential: 1),Report the progress of study participants per established SOPs. Maintain participant charts. Attend study meetings as required. (5% Essential: 1),Other duties and responsibilities as assigned. (5% Essential: 0)