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.
The Developmental Stages of Childhood 5. development. One common attribute through-. out all phases of childhood is that learning is. subject centered. The following is a review of. the developmental characteristics in the four. stages of childhood and the teaching strategies. to be used in relation to the physical, cognitive, and psychosocial maturational levels indicative. of learner readiness (see Table 5â1). Infancy (First 12 Months of. Life) and Toddlerhood (1â2.