PSYCH FINAL - PSYCH FINAL The Study of Development The...

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PSYCH FINAL The Study of Development The sequence of age-related changes that occur as a person progresses from conception to death The prevalence of the nature-nurture debate: o Are we the way we are due to ‘hard wiring’ or the way we were raised?---a little of both Research Methods Developmental psychologists have special research considerations as they are mainly concerned with  how people change o Ways to study change: Longitudinal- follow a group of people over time (same group at least twice)—easy to  see change Time consuming, expensive Cross-sectional- one time, measure different groups at different stages—change isn’t  as clear Sequential- different groups T1: measure Class of ’06, ’07, ’08, ’09(fall’05)     T2: measure class of ’07, ’08, ’09       (fall’06)     T3: measure class of ’08, ’09             (fall’07)     T4: measure class of ’09                   (fall’08) Childhood Development Motor development: the progression of muscular coordination required for physical activities, how we  learn to control and use our bodies o 2 trends-    cephalocaudal trend : we develop from our head-down (upper body develops first) /  proximodistal trend : we develop from the center-outward
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we tend to follow developmental norms (we all do things at the same time) Sensory Development We are born with almost adult capabilities to taste and smell o Kids prefer things that smell like people they know o We have a very high sensitivity to touch as babies There is some evidence that our pain receptors take a while to fully develop Hearing: infants can hear auditory stimuli @ 25 weeks prenatal o Preference for things they heard before they were born o Hearing reaches adult levels at about 3 years of age Vision: we are born myopic (near-sighted) o At birth, vision is about 20-600 (bad, gets progressively better) o Kids like complexity, like to look at faces 1-2 months- start to see color (high contrast) 2-3 months- we develop some depth perception 7 months- development of binocular cues 6-14 months- skepticism of visual cliff Cognitive Development Piaget: presented the first model of cognitive childhood development o 4 stages:    1. Sensorimotor- birth – 2 yrs./infancy child tries to understand the world around them
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kids learn that they can use one object to get another (8 mo.) kids learn what objects do (12 mo.) kids have representational thought/long term memory, act on their own, learn  object permanence (18-24 mo.) 2. Pre-operational- 2-7 yrs old 
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PSYCH FINAL - PSYCH FINAL The Study of Development The...

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