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psych exam 3
chapters 9 and 10
Question | Answer |
---|---|
developmental psychology | branch of psychology that studies how people change over their lifespan |
zygote | single cell formed at conception |
chromosomes | long, thread-like structure composed of DNA |
DNA | chemical basis of heredity |
gene | unit of DNA on a chromosome. basic unit of heredity |
genotype | genetic makeup of an individual organism |
sex chromosomes | designated as X or Y. determine biological sex |
phenotype | observable traits/characteristics of an organism |
nature vs. nurture | which particular aspects of behavior are products of either inherited or acquired characteristics |
prenatal development | single-celled zygote develops into a full term fetus |
germinal period | first 2 weeks of prenatal development. rapid cell division, implants in uterus wall |
embryonic period | 3rd week - 8th week. organs and major systems of body develop, initial development of sex organs triggered |
fetal period | 9th week - birth. body systems grow and mature, preparations for life outside the womb |
teratogen | harmful agent or substance that can cause malformations or defects in embryo/fetus. radiation, mercury, rubella, HIV, drugs, alcohol |
infant reflexes | stepping, grasping, sucking, rooting |
temperament | inborn predisposition to consistently behave and react in a certain way. easy, difficult, slow-to-warm-up, average |
attachment | emotional bond that forms between infant and caregiver, sense of comfort and security, safehaven |
universal grammar | chomsky - basic understanding of the common principles of language organization. biological predisposition to learn language |
language development | cooing/babbling - 3 months. one-word - before 1 year. two-word - 2 years. |
cognitive development | piaget - children progress through 4 distinct stages. each stage marks a shift in thinking and understanding the world |
sensorimotor stage | birth - 2 years. explores environment and acquires knowledge through sensing and manipulating. no object permanence. |
preoperational stage | 2 years - 7 years. increasing use of symbols and prelogical thought precesses. symbolic thought, egocentrism, irreversibility, centration, conservation |
concrete operational stage | 7 years - adolescence. ability to think logically about concrete objects and situations |
formal operational stage | adolescence - adulthood. ability to think logically about abstract principles and hypothetical situations |
erikson's psychological theory of development | stressed the importance of social and cultural influences on personality throughout the stages of life |
adolescence | identity vs. role confusion |
young adulthood | intimacy vs. isolation |
middle adulthood | generativity vs. stagnation |
late adulthood | ego integrity vs. despair |
moral reasoning | kohlberg. aspect of cognitive development that has to do with how an individual reasons about moral decisions |
gender | cultural, social, and psychological meanings associated with masculinity and femininity |
sex | biological category of male or female as defined by physical differences in genetic compositions |
sexual orientation | direction of a person's emotional and erotic attraction |
gender identity | psychological sense of self as male or female |
gender stereotype for female | nurturing |
gender stereotype for male | assertive |
cognitive difference in female | verbal, reading, writing |
cognitive difference in male | spatial, math |
social learning theory | gender roles are acquired through the basic process of learning. reinforcement, punishment, modeling |
gender schema theory | gender role development is influenced by the formation of schemas - mental representations of masculinity and femininity |