Key theoriesstages of physical development

There are subsequently several areas of physical development that should be considered Physical development height and weight Growth rate in the first two years is considerable, with birth weight often doubling by 6 months and tripling by the end of the first year. However, since this rate of growth would be unsustainable, from this point to puberty it slows, averaging 2-3 inches in height and 6-7 pounds in weight each year (D.R. Shaffer, 1993). Physical development skeletal and muscular...

Stages of language development

Even within the womb it is predicted that the child can hear and recognise sound, especially its mother's voice. De Casper and Spence (1986) asked mothers to read a passage of text from a children's book in late pregnancy and found that after birth such babies would alter their sucking rate in order to hear this, compared to a control group. After birth preference is shown for familiar speech sounds the human voice rather than other sounds. Biological evidence to indicate an innate ability to...