Developmental Psychology Flashcards
What is a cross-sectional study?
compare groups of subjects at different ages
What is a longitudinal study?
specific group of people over a period of time
What is a sequential cohort study?
several groups of different ages are studied over a period of time
What is a case study?
in depth study about a particular child
What initiated the study of genetics?
Gregor Mendel
What was RC Tryon’s contribution to psychology?
studied the inheritance of maze-running ability in rats; used selective breeding to differentiate between maze-bright and maze-dull rats; difference between the two increased over the generations; only out-performed maze-dull rats at mazes, not other tasks
What are monozygotic twins?
Identical
What are dizygotic twins?
Fraternal
What is downs syndrome?
extra 21st chromosome; parents’ age seems to be associated
What is phenylketonuria (PKU)?
degenerative disease of the immune system; can’t digest an amino acid found in milk; can control with diet; first genetic disease that could be tested in large populations
What is Klinefelter’s Syndrome?
males have an extra X chromosome; sterile; mental retardation
What is Turner’s syndrome?
females with only one X chromosome; no secondary sex characteristics; physical abnormalities including short fingers and unusually shaped mouths
What is a zygote?
fertilized egg
Describe the germinal period.
Cell divides into 2, 4, 8, 16, etc.
Cell mass moves down fallopian tubes, implanted into uterine wall
What is the embryonic period?
8 weeks following germinal period; embryo increases in size by 2 million percent; begins to take on human characteristics
What is the fetal period?
begins in the third month; measurable electrical activity in the fetus’ brain
What is rooting?
infants automatically turn their heads in the direction of stimuli applied to the cheek (breastfeeding)
What is moro?
infants react to abrupt movements of their heads by flinging out their arms, extending their fingers, and bringing their arms back to their bodies and hugging themselves
What is babinski?
infant toes automatically spread apart when the soles of their feet are stimulated
What is grasping?
infants close their fingers around objects place in their hands
What is a schema?
organized patterns of thoughts/behaviors
What is assimilation?
add to schema
What is accommodation?
change schema
What is adaptation?
assimilation or accommodation
Describe Piaget’s 4 stages of development
- Sensorimotor: primary and secondary circular reactions; object permanence develops
- Preoperational: ego-centrism; doesn’t understand conservation
- Concrete operational: masters conservation; trouble with abstract thought
- Formal operation: ability to “think like a scientist”
What is the sensorimotor stage?
Piaget
primary and secondary circular reactions; object permanence develops
What is the preoperational stage?
Piaget
ego-centrism; doesn’t understand conservation
What is the concrete operational stage?
Piaget
masters conservation; trouble with abstract thought
What is the formal operational stage?
Piaget
ability to “think like a scientist”
What is the zone of proximal development?
Vygotsky
skills and abilities that have not fully developed but are in the process of developing