Psychologists use their grasp of the ways humans think and behave to improve mental health, and perform research regarding thought and behavior. In addition, technician and technologist jobs in the healthcare field tend to pay the least. These professionals help those with strokes, cleft palates, autism, Parkinson’s disease, and other conditions that affect speech capability and acquisition. The job typically requires certification and might also require an associate degree. But not all healthcare jobs will score you a six-figure salary. Work environments also vary, with schools, businesses, private practices, healthcare organizations, and government agencies as common choices.