Two broad categories within the human services industry include human services professionals, who have direct contact with clients, and who have little or no contact with clients. 1. administrative staff
2. customer service managers
3. paraprofessionals

Which statement supports the principle ideas of jean piaget's philosophy? adults should not interact with teachers. children are best educated through standardized training. adults do not think better than children, but they think differently. children should not form hypotheses until they are certain their findings will be correct.