MMR vaccine. The MMR vaccine contains vaccines that protect against three viral infections: measles, mumps and rubella. It is given as a series of two doses at 12 to 15 months of age and at 4 to 6 years of age.ubella is a viral infection also known as German measles. Rubella infection of children causes a mild rash on the face, swelling of glands behind the ear, occasionally a short-lived swelling of small joints (like the joints of the hand), and low-grade fever.
Key Concepts. Eriksonâs psychosocial theory of development considers the impact of external factors, parents and society on personality development from childhood to adulthood. According to Eriksonâs theory, every person must pass through a series of eight interrelated stages over the entire life cycle[2]. Basic Trust vs. Mistrust â Hope.
KOHLBERG'S STAGES OF MORAL DEVELOPMENT. BIOGRAPHICAL INTRODUCTION. An outstanding example of research in the Piagetian tradition is the work of Lawrence Kohlberg. Kohlberg has focused on moral development and has proposed a stage theory of moral thinking which goes well beyond Piaget's initial formulations. Kohlberg, who was born in 1927, grew up in Bronxville, New York, and attended the Andover Academy in Massachusetts, a private high school for bright and usually wealthy students.