Question 1

Which of the following best describes the concept of 'plasticity' in lifespan development?

Accepted Answer

The capacity for change in response to positive or negative life experiences.

Question 2

A researcher wants to study how problem-solving skills change from childhood to old age. She tests different groups of people at ages 10, 30, 50, and 70, all at the same time. Which research design is she using?

Accepted Answer

Cross-sectional approach

Question 3

Which of the following is an example of a normative age-graded influence?

Accepted Answer

Starting school at age 5 or 6

Question 4

According to Erikson's psychosocial theory, what is the primary motivation for human behavior?

Accepted Answer

Social relationships and challenges

Question 5

A psychologist is interested in the relationship between hours of sleep and memory performance in adults. She collects data on both variables and calculates the correlation coefficient $r$. Which of the following statements is correct?

Accepted Answer

A correlation coefficient $r = 1$ indicates a perfect positive relationship.

Question 6

Which of the following best illustrates the concept of 'context' in development?

Accepted Answer

The historical, social, and cultural setting in which a child grows up

Question 7

In experimental research, what is the main purpose of random assignment?

Accepted Answer

To reduce bias and increase the likelihood that groups are equivalent at the start.

Question 8

Which of the following is a key difference between cross-sectional and longitudinal research designs?

Accepted Answer

Longitudinal studies follow the same individuals over time, while cross-sectional studies compare different age groups at one time.

Question 9

A researcher manipulates the amount of screen time children receive and measures their attention span. In this experiment, what is the dependent variable?

Accepted Answer

The children's attention span

Question 10

Which of the following best describes 'biological age'?

Accepted Answer

The functional capacity of a person's vital organs

Question 11

A study finds that children who experience early parental loss show changes in emotional regulation later in life. This finding best illustrates which dimension of development?

Accepted Answer

Socio-emotional

Question 12

Which of the following is an example of a non-normative life event?

Accepted Answer

Winning a national award as a teenager

Question 13

According to the study materials, which of the following is a challenge associated with longitudinal research designs?

Accepted Answer

They may suffer from participant dropout over time.

Question 14

Which of the following best defines 'psychological age'?

Accepted Answer

The comparison of an individual's adaptive capacities to others of the same chronological age

Question 15

A researcher is interested in whether a new teaching method improves math scores. She randomly assigns students to either the new method or the traditional method and compares their test results. Which type of research design is this?

Accepted Answer

Experimental

Question 16

Which of the following statements about the nature vs. nurture debate is most accurate?

Accepted Answer

Development is influenced by both biological inheritance and environmental experiences.

Question 17

Which of the following is an example of a standardized test in developmental research?

Accepted Answer

A test given with uniform procedures for administration and scoring

Question 18

If a study finds that the average life expectancy in Country A is 80 years and in Country B is 65 years, which contextual factor is most likely influencing this difference?

Accepted Answer

Contextual factors such as access to health care, nutrition, and economic standing

Question 19

Which of the following best describes the sequential research approach?

Accepted Answer

It combines cross-sectional and longitudinal designs to help distinguish cohort effects.

Question 20

A psychologist wants to determine if there is a causal relationship between exercise and mood in adults. Which research design should she use?

Accepted Answer

Experimental research

Human Growth and Development: Lifespan Perspective and Theories

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