lifespan development (chapter 10) Flashcards
(43 cards)
development psychology
the study of human physical, cognitive, social and behavioral characteristics across a lifespan
cross-sectional design
used to measure and compare samples of people at different ages at a given point in time
-more cost effective and fast
longitudinal design
follows development of the same set individuals through time
-hard to carry out, costly and time consuming
-long study- people drop out
cohort effects
differences among people that result from being born in different time periods
teratogen
substances that impair the process of development
-Alcohol
-cigarettes
fetal alcohol spectrum disorders
a group of condition that can occur in a person who was exposed to alcohol before birth
the visual cliff
development psychologist use a fake cliff to test for development of depth perception in babies
moro reflex
infants loose support of their head
rooting reflex
elicited by stimulation to the corners of the mouth,
stepping reflex
aka walking or dancing reflex occurs when infants sense the onset of pressure on the sole of a foot
grasping reflex
elicited by stimulating the infants palm
motor skills develop in stages
raising the head, rolling over, propping up, sitting up, crawling, walking
sensitive periods
are windows of time during which exposure to a specific type of environment stimulation is needed for normal development of specific ability
cognitive development
the study of changes in memory, thought and reasoning processes that occur throughout the lifespan
(Piaget)
learning involves
assimilation and accommodation
assimilation
is fitting new information, Into belief system you already posses
accommodation
a creative process where people modify their belief structures based on experience
sensorimotor stage
spans from birth to 2 years during which infants thinking about and exploration of the world are based on immediate sensory
object permanence
the ability to understand that objects exist even when they cannot be directly perceived
pre-operational stage
which spans age 2-7 and is devoted to language development the use of symbols, pretend play and mastering the concept of conversation
conversation
the knowledge that the quantity or amount if an object is not the same as the physical arraignment and appearance of that object
concrete operational stage(7-11)
children develop skills in logical thinking and manipulating numbers
formal operational stage(11-adulthood)
involves the development of advanced cognate process such abstract reasoning and hypothetical thinking
core knowledge hypothesis
proposes that infant have inform have inborn abilities for understanding some key aspects of their environment