Development Flashcards
nature–nurture issue
The issue of the degree to which environment and heredity influence behavior.
developmental psychology
The branch of psychology that studies the patterns of growth and change that occur throughout life.
identical twins
Twins who are genetically identical.
cross-sectional research
A research method that compares people of different ages at the same point in time.
longitudinal research
A research method that investigates behavior as participants age.
sequential research
A research method that combines cross-sectional and longitudinal research by considering a number of different age groups and examining them at several points in time.
chromosomes
Rod-shaped structures that contain all basic hereditary information.
genes
The parts of the chromosomes through which genetic information is transmitted.
zygote
The new cell formed by the union of an egg and sperm.
embryo
A developed zygote that has a heart, a brain, and other organs.
fetus
A developing individual from eight weeks after conception until birth.
age of viability
The point at which a fetus can survive if born prematurely.
teratogens
Environmental agents such as a drug, chemical, virus, or other factor that produce a birth defect.
neonate
A newborn child.
reflexes
Unlearned, involuntary responses that occur automatically in the presence of certain stimuli.
habituation
The decrease in the response to a stimulus that occurs after repeated presentations of the same stimulus.
attachment
The positive emotional bond that develops between a child and a particular individual.
authoritarian parents
Parents who are rigid and punitive and value unquestioning obedience from their children.
permissive parents
Parents who give their children relaxed or inconsistent direction and, although they are warm, require little of them.
authoritative parents
Parents who are firm, set clear limits, reason with their children, and explain things to them.
uninvolved parents
Parents who show little interest in their children and are emotionally detached.