Final answer:
A psychological factor in the biopsychosocial model that can influence mental disorders is one's emotional trauma, stress, and behavior patterns. These elements differ from biological factors like brain chemistry and social factors like socioeconomic status, focusing on internal processes and coping mechanisms.
Step-by-step explanation:
According to the biopsychosocial model, a psychological factor that could influence the development of a mental disorder includes aspects such as emotional trauma, stress, and patterns of behavior. Unlike brain chemistry, which falls under the biological domain, and socioeconomic status, which is considered a social factor, psychological factors are those that pertain to an individual's emotions, thoughts, behaviors, and coping mechanisms. For instance, someone who has experienced severe emotional trauma might be more susceptible to mental health conditions such as depression or anxiety.
Health psychologists might conduct research to explore how psychological stress and patterns of behavior contribute to health outcomes, which aligns with the biopsychosocial approach. These professionals are interested in how these interactions affect both the development and treatment of mental disorders.