Final answer:
Childcare director requires a bachelor's degree in early childhood development, clinical psychologist requires a Ph.D. with licensure or certification, depending on the state, concierge requires on-the-job training, and cosmetologist requires vocational school and state licensure.
Step-by-step explanation:
Childcare Director: A bachelor's degree in early childhood development is required.
Clinical Psychologist: A Ph.D. with licensure or certification, depending on the state in which you live, is required.
Concierge: On-the-job training is typically required.
Cosmetologist: Vocational school and state licensure are required.