PSYC 4070 Lecture : PSYC4070 Chap9Notes
Document Summary
Chapter 9 physical and cognitive development in middle. Age 6 to start of adolescence (@ approx age 12) Previously, time of great physical strides (mastering several new skills as they grow bigger/stronger) Swift growth during first 5 years of life & again during adoles. But middle childhood relatively tranquil characterized as slow but steady growth. Elem school children in us grow avg of 2-3 in/yr by age 11, girls slightly taller than boys why? reflects + rapid phys developmt of girls (start adoles growth spurt earlier, @ age 10) Wt gain n middle childhd - boys/girls gain approx 5-7 #/yr (wt redistributed - rounded look of baby fat disappears) Child n middle childhd r very much varied - significant diffs ( i. e. some short, some tall; heavy, thin; etc. ) differences due to 2 reasons, genetics and environment. Diff in us children n ht/wt due 2 people"s unique genetic inheritance includes genetic factors relating 2 racial & ethnic backgd.
