DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED
(Ch. 1) What is socioeconomic status? Ans✓✓✓A grouping of people
with similar occupational, educational, and economic characteristics
What are the characteristics of the lifespan perspective?
Ans✓✓✓Lifelong, multidimensional, multidirectional, plastic,
multidisciplinary, and contextual
What is the life expectancy of adults in the US now? Ans✓✓✓79 years
old
Define development Ans✓✓✓The pattern of change beginning at
conception and continuing throughout the lifespan
What is Erikson's theory and its name? Ans✓✓✓Erikson's Psychosocial
Theory entailed that personality develops in a predetermined order
through eight stages of psychosocial development, from infancy to
adulthood
What is Piaget's theory? What are the four stages and when do children
go through them? When did he say development occurred?
Ans✓✓✓Piaget's Cognitive Developmental Theory says that children go
through four stages of cognitive development as they actively construct
their understanding of the world.
, Sensorimotor stage (birth to 2 years of age)
Preoperational stage (2 to 7 years of age)
Concrete operational stage (7 to 11 years of age)
Formal operational stage (11 years of age through adulthood)
What is Bronfenbrenner's theory and what are the different levels or
systems? Ans✓✓✓Bronfenbrenner's Ecological Theory says that
development reflects the influence of five environmental systems. The
different systems are microsystem, mesosystem, exosystem,
macrosystem, and chronosystem
(Ch. 2) What is mitosis and meiosis? Ans✓✓✓Mitosis is cellular
reproduction in which the cell's nucleus duplicates itself into two new
cells.
Meiosis is a type of cell division that forms eggs and sperm
What are fraternal and identical twins? Ans✓✓✓In fraternal twins, two
eggs fertilized by different sperm create two nonidentical zygotes as
genetically similar to ordinary siblings.
In identical twins, however, a single zygote splits into two genetically
identical replicas and becomes two individuals
What are dominant and recessive genes? Ans✓✓✓When one gene of a
pair always exerts its effects (dominant), overriding the potential
influence of the other gene (recessive)