LEARNING SCIENCE · OBJECTIVE ASSESSMENT
D664 – Final Exam Study Guide - Learners and
Learning Science (WGU, 2026/2027) – Complete
Review Notes — Complete
Official Exam
A+ Verified Questions Full Rationales Verified Answers
A+ 5 100%
QUESTIONS SECTIONS RATIONALES
Complete coverage Core exam domains Every answer explained
WHAT THIS COVERS
01 Cognitive Development & Learning Foundations
02 Major Learning Theories & Frameworks
03 Motivation, Memory & Metacognition
04 Individual Differences, Diversity & Inclusion
05 Evidence-Based Instruction & Assessment
ABOUT THIS ASSESSMENT
Build mastery in learners and learning science — from cognitive development
and major learning theories to motivation, memory, individual differences,
and evidence-based instructional strategies. This assessment targets application
and analysis skills required for WGU D664, with full rationales for every answer.
Content is aligned to standard undergraduate learning-science competencies for 2026/2027.
PASSING SCORE LEVEL FORMAT
75% Advanced (WGU OA) Application / Analysis
STUVIA ACTUAL EXAM Page 1
, SECTION 1: Cognitive Development & Learning Foundations
Q1. A third-grade teacher notices that several students struggle to conserve liquid volume when water is poured from a short
wide glass into a tall narrow one. Drawing on Piaget’s stages, the teacher recognizes these students are most likely
functioning in which developmental stage?
A. Preoperational stage, where centration limits their reasoning about conservation.
B. Formal operational stage, where abstract reasoning is fully developed.
C. Sensorimotor stage, where object permanence is still emerging.
D. Postformal stage, where dialectical thinking dominates.
Correct Answer: A
Rationale:
Conservation of liquid typically emerges in the concrete operational stage. Preoperational children tend to center on a single perceptual
feature (height) and fail conservation tasks. Formal and postformal stages involve more advanced abstract reasoning not required here.
Q2. During a professional-development session, a facilitator explains that a child’s working memory capacity expands
significantly between ages 5 and 12, allowing more complex problem-solving. Which instructional implication follows most
directly from this developmental change?
A. Avoid any collaborative work until adolescence.
B. Eliminate all scaffolding once students enter middle childhood.
C. Rely exclusively on rote memorization drills throughout elementary school.
D. Design tasks that gradually increase the number of elements students must hold and manipulate simultaneously.
Correct Answer: D
Rationale:
Expanding working-memory capacity supports progressively more complex cognitive demands. Instruction should match and gently
stretch current capacity rather than remove support prematurely or restrict collaboration.
Q3. A high-school teacher observes that adolescents frequently take risks and show heightened sensitivity to peer evaluation.
Which neurodevelopmental process best explains these patterns?
A. Protracted maturation of the prefrontal cortex relative to the limbic system.
B. Complete myelination of all cortical pathways by age 12.
C. Sudden loss of synaptic density in the amygdala.
D. Early and full development of executive-function networks.
Correct Answer: A
Rationale:
The limbic system (reward and emotion) matures earlier than the prefrontal cortex (regulation and planning), contributing to risk-taking
and peer sensitivity in adolescence. Full executive-function maturation continues into the mid-20s.
Q4. An elementary teacher uses concrete manipulatives to help students grasp place-value concepts before moving to abstract
numerical symbols. This sequence most closely aligns with which principle of cognitive development?
A. Assumption that all learners process symbols identically from birth.
B. Immediate introduction of formal operational reasoning in early childhood.
C. Reliance solely on verbal instruction without physical experience.
D. Progression from concrete to abstract representations as cognitive structures mature.
Correct Answer: D
Rationale:
Developmental theory emphasizes that concrete experiences support the gradual internalization of abstract symbols. Jumping directly to
formal operations or ignoring physical experience undercuts this progression.
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, SECTION 1: Cognitive Development & Learning Foundations
Q5. A curriculum specialist cites Vygotsky when arguing that learning is fundamentally social. Which classroom practice best
embodies the zone of proximal development?
A. Grouping students only by chronological age with no regard to current skill.
B. Assigning identical independent worksheets to every student regardless of readiness.
C. Removing all adult support so students discover everything alone.
D. Pairing a learner with a slightly more capable peer or adult who provides contingent scaffolding.
Correct Answer: D
Rationale:
The ZPD is the range of tasks a learner can accomplish with guided support but not yet independently. Contingent scaffolding by a more
knowledgeable other is the defining instructional application.
Q6. When evaluating a new reading program, a principal asks whether it accounts for sensitive periods in language
development. Which statement most accurately reflects current understanding of sensitive periods?
A. Language can be acquired only during a strict critical period ending at age 5.
B. Certain environmental inputs produce stronger effects during particular developmental windows, though learning remains
possible outside those windows.
C. Sensitive periods have been entirely disproven by modern neuroscience.
D. After age 7, no further vocabulary growth is biologically possible.
Correct Answer: B
Rationale:
Sensitive periods indicate heightened plasticity, not absolute cut-offs. Language acquisition remains possible later, but efficiency and
ultimate attainment are influenced by timing of exposure.
Q7. A middle-school science teacher designs an inquiry lesson in which students first explore physical materials, then discuss
patterns, and finally formalize explanations. This sequence is most consistent with which developmental principle?
A. Bruner’s spiral curriculum and the progression from enactive to iconic to symbolic representation.
B. Exclusive reliance on lecture before any hands-on experience.
C. Assumption that formal operational thought is present in all 11-year-olds.
D. Elimination of discussion in favor of silent individual work.
Correct Answer: A
Rationale:
Bruner emphasized active engagement with concrete materials (enactive), followed by visual representations (iconic), then symbolic
language. The described sequence mirrors this progression.
Q8. An early-childhood educator notices that a 4-year-old attributes intentions and emotions to a stuffed animal. Which
cognitive phenomenon does this behavior illustrate?
A. Hypothetical-deductive reasoning of formal operations.
B. Animism, a characteristic of preoperational thought.
C. Object permanence failure of the sensorimotor stage.
D. Systematic combinatorial thinking.
Correct Answer: B
Rationale:
Animism—attributing life-like qualities to inanimate objects—is typical of preoperational thinking. Formal operational reasoning involves
systematic hypothesis testing, which is not yet expected.
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