Question 1

Which research design in developmental psychology best allows researchers to track changes in individuals over time, minimizing cohort effects?

Accepted Answer

Longitudinal design

Question 2

A researcher wants to study the impact of prenatal exposure to a teratogen on limb development. According to the provided chart, during which weeks is limb development most susceptible to teratogenic effects?

Accepted Answer

Weeks 4-8

Question 3

In the Dr. Seuss study, what was the dependent variable used to measure infants' recognition of speech sounds?

Accepted Answer

Changes in sucking rate

Question 4

Which of the following substances is NOT considered a teratogen?

Accepted Answer

Vitamin C

Question 5

A study found that higher maternal fluoride exposure was associated with lower IQ scores in children. Which type of research design was most likely used in this study?

Accepted Answer

Longitudinal cohort study

Question 6

Thalidomide exposure during early pregnancy led to which of the following outcomes?

Accepted Answer

Limb malformations and birth defects

Question 7

Which concept explains why adults are naturally drawn to care for babies and puppies with large eyes and round faces?

Accepted Answer

Kindchenschema (baby schema)

Question 8

According to Harlow’s monkey experiments, what did infant monkeys prefer when frightened?

Accepted Answer

Cloth mother providing comfort

Question 9

Which attachment style is characterized by a child who is distressed when the caregiver leaves but avoids the caregiver upon return?

Accepted Answer

Avoidant

Question 10

Which parenting style is most likely to produce children who are self-reliant and have good social skills?

Accepted Answer

Authoritative

Question 11

According to Piaget, which stage is marked by the development of object permanence?

Accepted Answer

Sensorimotor stage

Question 12

A child covers their eyes and believes others cannot see them. This behavior is best explained by which concept?

Accepted Answer

Egocentrism

Question 13

Which Piagetian stage is associated with the ability to think logically about concrete events but difficulty with abstract concepts?

Accepted Answer

Concrete operational

Question 14

During adolescence, which brain region is still developing, contributing to impulsive and risky decision-making?

Accepted Answer

Prefrontal cortex

Question 15

Which concept describes the adolescent belief that their experiences and feelings are unique and that they are invulnerable?

Accepted Answer

Personal fable

Question 16

According to socioemotional selectivity theory, older adults tend to focus on:

Accepted Answer

Positive, meaningful experiences

Question 17

Which of the following is a protective factor for marital satisfaction after having children?

Accepted Answer

Good communication and conflict management

Question 18

Which of the following is a recommended strategy to help prevent age-related cognitive decline?

Accepted Answer

Physical activity

Question 19

A child is able to understand that the amount of liquid remains the same when poured into a differently shaped container. Which Piagetian concept does this demonstrate?

Accepted Answer

Conservation

Question 20

Which equation best represents the principle of conservation in Piaget’s concrete operational stage?

Accepted Answer

$$V_{tall} = V_{short}$$

Lifespan Development: Key Concepts in Developmental Psychology

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