Chapter 9 Development: Module 27 Flashcards
Developmental psychology
The branch of psychology that studies the patterns of growth and change that occur throughout life.
Nature-nurture issue
The viewpoint that weighs the degree which environment and heredity influence behavior.
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.
Cohort
A group of people who grow up at similar times, in similar places, and in similar conditions.
Longitudinal research
A research method that investigates behavior are 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 chromosomes through which genetic information is transmitted.
Zygote
The new cell formed by the union of an egg and a 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 availability
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.