QUESTION 1
1. An individual's _____ is observable in his or her _____.
2. genome; phenotype
genotype; genome
phenotype; genotype
genotype; phenotype

QUESTION 2
1. The first stage in Piaget's theory of cognitive development is the _____ stage. The final stage in the theory is the _____ stage.
2. preoperational; concrete operational
sensorimotor; concrete operational
preoperational; formal operational
sensorimotor; formal operational

QUESTION 3
1. An individual's 23 chromosome pairs make up his or her:
2. phenotype.
genotype.
DNA.
genome.

QUESTION 4
1. According to Piaget's theory, adolescent cognitive development is defined by the capacity for:
2. abstract thinking.
conservation.
object permanence.
reversibility.

QUESTION 5
1. The brain becomes fully mature by:
2. early adolescence.
mid-adolescence.
late adolescence.
emerging adulthood.

QUESTION 6
1. Laney is investigating early language acquisition. She selects a group of 6-month-old babies, and then assesses them every 3 months until they are 2 years old. Laney is using a _____ research design.
2. longitudinal
cross-sequential
cross-sectional
simultaneous

QUESTION 7
1. Sensitive periods provide evidence that development:
2. may occur in stages.
is characterized by stability.
is usually continuous or gradual.
largely reflects "nurture."

QUESTION 8
1. The shortest period of prenatal development is the _____ period.
2. germinal
fetal
teratogenic
embryonic

QUESTION 9
1. Age changes are to age differences as _____ research designs are to _____ research designs.
2. cross-sectional; longitudinal
longitudinal; simultaneous
sequential; cross-sectional
longitudinal; cross-sectional

QUESTION 10
1. Five-year-old twins Keith and Kevin each have 4 ounces of juice in their glasses. Keith's glass is tall and narrow, whereas Kevin's is shorter and wider. Kevin complains that Keith has more juice, revealing his lack of:
2. conservation.
reversibility.
object permanence.
formal operations.