Developmental (Lifespan) Psychology | Portage
Learning | Q & A | 2026 Edition (PDF)
1. Which of the following best defines lifespan development?
A) The study of cognitive changes that occur only during childhood and adolescence
B) The examination of patterns of growth, change, and stability in behavior from conception to death
C) The analysis of genetic influences on physical characteristics across generations
D) The investigation of psychological disorders and their treatment across all age groups
Correct Answer: The examination of patterns of growth, change, and stability in behavior from
conception to death
Rationale: Lifespan development is specifically defined as the field of study that examines patterns of
growth, change, and stability in behavior throughout the entire life span from conception to death. This
definition distinguishes it from approaches that focus only on specific periods such as childhood or
adolescence. The other options either narrow the scope incorrectly or shift the focus to disorders or
genetics rather than comprehensive developmental patterns.
2. What is the primary focus of the nature versus nurture controversy in developmental psychology?
A) Whether development occurs in distinct stages or as a continuous process
B) Whether genetic inheritance or environmental experience primarily shapes human development
C) Whether early childhood experiences or later life events have greater impact on adult outcomes
D) Whether development is universal across all cultures or varies by cultural context
Correct Answer: Whether genetic inheritance or environmental experience primarily shapes human
development
Rationale: The nature versus nurture controversy centers on the relative contributions of biology
(genetics, heredity) versus environment (experience, learning, culture) in shaping human development.
The other options describe different controversies in developmental psychology, including continuity
versus discontinuity, stability versus change, and universality versus cultural specificity.
,3. According to Erikson, unsuccessful completion of the first psychosocial stage will most likely result in
which outcome?
A) Guilt
B) Inferiority
C) Mistrust
D) Role confusion
Correct Answer: Mistrust
Rationale: Erikson's first psychosocial stage, Trust versus Mistrust (infancy, birth to 18 months), centers
on whether the infant develops a sense of trust in caregivers and the world. Unsuccessful completion—
when needs are inconsistently or inadequately met—results in mistrust. Guilt, inferiority, and role
confusion correspond to later Eriksonian stages (initiative versus guilt, industry versus inferiority, and
identity versus role confusion, respectively).
4. Which term refers to the mental representations that organize knowledge and guide information
processing, according to Piaget's theory?
A) Adaptations
B) Schemas
C) Operations
D) Equilibrations
Correct Answer: Schemas
Rationale: In Piaget's cognitive developmental theory, schemas are the mental representations or
frameworks that organize knowledge and guide how individuals interpret and respond to new
information. Adaptations refer to the processes of assimilation and accommodation, operations are
logical mental actions, and equilibration is the mechanism driving cognitive growth through balancing
assimilation and accommodation.
5. A researcher is studying the same group of individuals repeatedly over a 20-year period to track
developmental changes. Which research design is being used?
, A) Cross-sectional design
B) Longitudinal design
C) Sequential design
D) Correlational design
Correct Answer: Longitudinal design
Rationale: A longitudinal design involves studying the same group of individuals repeatedly over an
extended period to track developmental changes and stability. This design allows researchers to chart
individual development over time. Cross-sectional design tests different age groups at one time point,
sequential design combines both approaches, and correlational design examines relationships between
variables without manipulation.
6. What is the most likely outcome if a researcher concludes that variable A causes variable B based
solely on a correlational study?
A) The conclusion is valid because correlation implies causation
B) The conclusion is invalid because correlation does not establish causation
C) The conclusion is valid only if the correlation coefficient is above 0.80
D) The conclusion is valid only if the sample size is very large
Correct Answer: The conclusion is invalid because correlation does not establish causation
Rationale: Correlation indicates a relationship between variables but does not demonstrate causation. A
correlational study cannot determine whether A causes B, B causes A, or a third variable causes both.
Only experimental research, with manipulation of the independent variable and control of extraneous
variables, can establish causal relationships.
7. In the context of Freud's psychosexual theory, which personality structure operates according to the
pleasure principle, seeking immediate gratification of basic urges?
A) Ego
B) Superego
C) Id