Chapter 4: Developing Through the Life Span Flashcards
What is developmental psychology?
A branch of psychology that studies physical, cognitive, and social change throughout the life span of humans
What three issues have engaged developmental psychologists?
- Nature and nurture
- Continuity and stages
- Stability and change
What question is being asked in the nature and nurture issue of developmental psychology?
How genetics (nature) and experience/environment (nurture) interact to influence our development
What question is being asked in the continuity and stages issue of developmental psychology?
What parts of development are gradual and continuous and what parts are in abruptly changing stages
What question is being asked in the stability and change issue of developmental psychology?
Which of our traits persist through life and what does change as we age
What are the names of the three most popular stage theorists (arguing for the existence of stages in human development) in developmental psychology?
- Lawrence Kohlberg
- Erik Erikson
- Jean Piaget
Stage theorist Lawrence Kohlberg focused on what specific type of development?
Moral development
Stage theorist Erik Erikson focused on what specific type of development?
Psychosocial development
Stage theorist Jean Piaget focused on what specific type of development?
Cognitive development
Developmental researchers who consider how biological, psychological, and social-cultural forces interact are focusing on which issue of developmental psychology?
The nature vs nurture issue
Developmental researchers who emphasize learning and experience are supporting ___________________; those who emphasize biological maturation are supporting ___________________.
Continuity; Stages
What findings in psychology support (1) the stage theory of development and (2) the idea of stability in personality across the life span?
(1) Stage theory is supported by the work of Piaget, Kohlberg, and Erikson. (2) Some traits, such as temperament, exhibit remarkable stability across many years.
What do the zygote’s inner cells become?
Embryo
What do the zygote’s outer cells become?
Placenta
How is a zygote formed?
At contraception, when one sperm cell unites with an egg to form a zygote
What are teratogens?
Teratogens are potentially harmful agents (chemicals, viruses) that can pass through the placenta and harm the developing embryo or fetus
Approximately how many cells does a human have?
37 trillion cells
Approximately how many sperm cells are racing towards the egg during conception?
250 million sperm cells
What is a zygote?
The fertilized egg
What is the first stage of prenatal development?
The zygote enters a 2-week long period of rapid cell division and develops into an embryo
What is the second stage of prenatal development?
The human organism (at this stage called an embryo) is developing from about 2 weeks after fertilization until week 9
What is an embryo?
The developing human organism from about 2 weeks after fertilization until week 9
What is the third stage of prenatal development?
The human organism (at this stage called a fetus) is further developing from week 9 after conception until birth
What is a fetus?
The developing human organism from 9 weeks after conception to birth