AP psychology chapter 9 Flashcards
Developmental Psychology
The study of maturation
2 types of studies
Cross-sectional and longitudinal.
Cross-sectional studies
Uses participants of varying ages to study how certain variables change over a lifespan, lot’s of confounding variables.
Longitudinal
Examines a group of participants over a long period of time.
Teratogens
Chemical agents that cause harm to the fetus when ingested by the mother. Alcohol is the most common, causes FAS.
Fetal alcohol syndrome (FAS)
Causes small and malformed skulls as well as intellectual disabilities. Caused by heavy drinking.
Fetal alcohol effect
Does not show all the symptoms of FAS, is caused by moderate drinking.
Rooting reflex
When touched on the cheek, the baby will turn their head and try to put the object in their mouth.
Moro reflex
When startled, the baby will fling out their limbs and quickly retract them.
Babinski reflex
When the bottom of the feet are stroked, the baby will spread their toes.
Sensory development of babies
Prefers face shaped objected, hearing developed before birth, born with basic taste preferences, basically blind.
Konrad Lorenz
Found that some infant animals imprint on things after birth.
Harry Harlow
Attachment research. Discovered touch is an important part of attachment (wire frame monkey mothers experiment).
Mary Ainsworth
Attachment research. Placed babies in strange situations, discovered 3 types of attachments: Secure attachments, avoidant attachments, and anxious/ambivalent attachments.
Secure attachments
66%, the baby confidently explores while the parents are there and becomes distressed when they leave. They go to the parents when they come back.
Avoidant attachments
21%, Avoids parents and explores the new environment. Doesn’t go back to parents.
Anxious/ambivalent attachments
12%, really stressed when parents leave but doesn’t want to be comforted by them when they return.
Diana Baumrind
Divided parenting styles into authoritarian, permissive, and authoritative.