what are the three principles of development?
what did Nativists believe?
we are born with basic information about how the world works.
what did Empiricists believe?
believed that children are born as blank slates, fully dependent on environment.
what does tabulae rasae mean
blank slate
what did preformationists believe?
that a fully formed human exists in the sperm or egg at conception.
what did Maturationists believe?
that development is activated by genes
what three developmental domains do developmental psychologists study across time?
what is physical development?
growth, motor skills
what is cognitive development?
thinking, reasoning
what is psychosocial development?
having and regulating emotions, personality, social relationships
what is continuous development?
gradually improving on existing skills
what is discontinuous development?
development that takes place in unique stages
T or F: some aspects of development are universal across all cultures
True
T or F: some aspects of development are not unique to each culture?
False
what is a score of 0 on the Heritability Index?
100% environment
100% genes is a score of __ on the Heritability Index?
1
Define heritability
a measure of how much of a trait is due to genetic factors
How long does the germinal stage last?
from conception to 2 weeks
what are the two tasks that are completed during the germinal stage?
what period of time does the embryonic stage occur?
weeks 2-8 of pregnancy
what 3 tasks occur during the embryonic stage?
the _____ is a fluid filled reservoir to regulate temperature and protect baby
amniotic sac
The _____ allows for nutrient exchange and filters harmful materials
placenta
The _____ links the embryo to the placenta and transfers all material.
umbilical cord