Developmental Psychology
The Science of Child Development

The Field of Child Development
•
Why have
children?
•
Almost half of the world faces the same
demographic problem: not enough babies are
being born to keep up with an aging
population
•
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Do It For Denmark!
•

The Field of Child Development
•
Why study
children?
–
To inform parenting
–
implicit, lay or ‘folk’ theories of development often
reflect the issues that psychologists investigate,
with the aim of putting our understanding on a
firmer, more scientific footing.
–
For example, one problem that confronts almost
all parents is how to help their children control
their anger and other negative emotion

The Field of Child Development
•
Why study
children?
–
Period of rapid development
•
Changes greatest during childhood
–
Long-term influences
•
“the Child is the father of the Man”
•
early traits, behaviors, and experiences are related
to many adult outcomes

Terman’s Termites
•
Lewis Terman in 1921 (Friedman & Martin, 2011
•
children who were rated high in the quality
Terman called conscientiousness or social
dependability had many positive outcomes in
adulthood

The Field of Child Development
•
Why study
children?
–
Insight into complex adult processes
•
Eg. Language
–
Real-world applications
•
Effects of poverty, illiteracy, daycare, etc.
•
Does playing violent video games increase aggressive
behavior in children and adolescents?
•
How much trust should judges and juries place in
preschoolers’ testimony in child-abuse cases?
•
Should children who do poorly in school be held back, or
should they be promoted to the next grade so that they can
be with children of the same age?

The Field of Child Development
•
Why study
children?
–
Interesting subject matter
–
to better understand human nature

•
English and Romanian Adoptees Studies
•
how children’s ability to overcome the effects
of early maltreatment is affected by its timing

The Field of Child Development
•
Developmental Psychology: scientific
study of
age-related changes in behaviour, thinking,
emotion, and personality
•
Development:
–
Change in the child that occurs over time.
–
Changes follow an orderly pattern that moves
toward greater complexity and enhances survival.

Traditional Approach vs. Life-Span Approach.
Sept. 06, 2019
•
The traditional approach emphasizes extensive
change from birth to adolescence, little or no
change in adulthood, and decline in late old
age.
•
The life-span approach emphasizes
developmental change during adulthood as
well as childhood.
•
Developmentalist:

The Field of Child Development
•
Periods of development:
–
Prenatal period: from conception to birth (~9
months)
–
Infancy and toddlerhood: birth to 2 years
–
Early childhood: 2-6 years old
–
Middle childhood: 6-12 years old
–
Adolescence: 12-19 years old

Time periods of
adolescence
•
Adolescence is a
unique
developmental period
–
it keeps changing!


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- Fall '19
- Developmental Psychology, Test, Field of Child Development, The Unconscious