The current study reports on two sequential studies that developed and provided a pilot evaluation of a. Behavioral Activation (BA) training package based on an online, modular, active learning model for. community mental health providers. In the first study, training outcomes were assessed with a within-. subjects design by measuring traineesâ (N 8) reported implementation of learned BA skills in clinical.
1. the total number of persons inhabiting a country, city, or any district or area. 2. the body of inhabitants of a place. 3. the number or body of inhabitants of a particular race, class, or group in a place: the working-class population. 4. any aggregation of things or individuals subject to statistical study.
Prevalence. The number of people in a population who developed a disease at a specified time, regardless of when it first appeared. This takes into account both old and new cases. It serves as an indicator of how seriously and how long a disease affects a population.