AP Psychology Chapter 10 Flashcards
Human development
The scientific study of the changes that occur in people as they age from conception until death.
Longitudinal design
Research design in which on participant or group of participants is studied over a long period of time.
Cross-Sectional Design
Research design in which several different age-groups of participants are studied at one particular point in time.
Cross-Sequential Design
Research design in which participants are first studied by means of a cross-sectional design but are also followed and assessed for a period of time. (combination of longitudinal and cross-sectional)
Nature
The influence of our inherited characteristics on our personality, physical growth, intellectual growth, and social interactions.
Nurture
The influence of the environment on personality, physical growth, intellectual growth, and social interactions.
Genetics
The science of inherited traits.
DNA (Deoxyribonucleic acid)
Special molecule that contains the genetic material of the organism.
Gene
Section of DNA having the same arrangement of chemical elements.
Chromosome
Tightly wound strand of genetic material or DNA.
Dominant
Referring to a gene that actively controls the expression of a trait.
Recessive
Referring to a gene that only influences the expression of a trait when paired with an identical gene.
Conception
The moment at which a female becomes pregnant.
Ovum
The female sex cell, or egg.
Fertilization
The union of the ovum and sperm.
Zygote
Cell resulting from the uniting of the ovum and sperm.
Monozygotic twins
Identical twins formed when one zygote splits into two separate masses of cells, each of which develops into a separate embryo.
Dyzygotic Twins
Often called fraternal twins, occurring when two eggs each get fertilized by two different sperm, resulting in two zygotes in the uterus at the same time.
Germinal Period
First two weeks after fertilization, during which the zygote moves down to the uterus and begins to implant in the lining.
Embryo
Name for the developing organism from two weeks to eight weeks after fertilization.
Embryonic period.
The period from two to eight weeks after fertilization, during which the major organs and structures of the organism develop.
Critical periods
times during which certain environmental influences can have an impact on the development of the infant.
Teratogen
Any factor that can cause a birth defect.
Fetal period
The time from about eight weeks after conception until the birth of the child.
Fetus
Name for the developing organism for eight weeks after fertilization to the birth of the baby