PSY 333D Midterm: 9_20 Adolph (2014) Action - Exam 1 Reading Notes
Document Summary
Child development perspectives -the costs and benefits of development: the transition from. Crawling to walking (transition lasts a few weeks) Walking benefits: cover more space more quickly, experience richer visual input, access and play more with distant objects, interact in qualitatively new ways with caregivers. More affordances - possibilities for action allowed by the fit btw body and environment. Development - qualitative transformation to more effective strategies. Ability to guage ability to climb slopes while discriminating safety of slopes within 2% of accuracy, and drop-offs within 1 cm. Fall rates of novice walkers and experienced crawlers are normalized by how much and how far infants move, the difference between groups completely disappears. Walkers are in motion 33% of the time, whereas crawlers are in motion. 20% of the time. (walkers twice as many steps - 3x the distance) Locomotive speed increases throughout development of crawling and through the transition to walking.
