WGU D664: Learners and Learning Science -
Comprehensive 250-Questions and correct ANSWERs
Objective Assessment Examination 2026/2027 edition
graded A
Question 1
A third-grade teacher notices that students in her class show markedly different levels of
engagement and comprehension during science lessons. Some students thrive during hands-on
experiments, while others prefer reading about concepts first before participating in activities.
The teacher wants to design instruction that maximizes learning for all students. According to
the principles of learning science, which approach should the teacher prioritize to address this
variability effectively?
A. Identify each student's dominant learning style using a validated assessment instrument and
provide instruction exclusively through that modality for optimal outcomes
B. Use a single instructional method consistently to establish routine and predictability, which
research shows increases student achievement over time
C. Employ varied instructional methods that engage multiple senses and cognitive processes,
incorporating visual, auditory, kinesthetic, and collaborative elements across lessons
D. Allow students to self-select their preferred learning activities without teacher guidance to
promote autonomy and intrinsic motivation
ANSWER: C
Explanation: The "myth of normality" in learning science teaches us that there is no single
optimal way to learn or process information. Human brains and cognitive functioning are highly
variable, and effective instruction acknowledges this diversity. Research in neuroscience and
educational psychology demonstrates that varying instructional methods to engage multiple
cognitive pathways enhances learning for all students, regardless of their individual preferences.
Option A perpetuates the discredited learning styles myth, Option B contradicts evidence that
varied instruction improves outcomes, and Option D removes necessary teacher guidance and
scaffolding. Employing diverse instructional strategies recognizes neurodiversity and supports all
learners by providing multiple entry points to content.
Question 2
,A middle school teacher designs a unit on the American Revolution and wants students to
develop deep, lasting understanding rather than superficial memorization. She plans to teach
the unit across three weeks with regular review sessions and connections to prior learning
about colonial life. Which learning principle is the teacher most effectively applying through this
approach?
A. The spacing effect, which involves distributing learning over time to enhance long-term
retention and understanding
B. The recency effect, which suggests that information presented most recently is best
remembered
C. The primacy effect, which indicates that information presented first in a sequence is most
likely to be retained
D. Massed practice, which concentrates learning into intensive sessions to build automaticity
ANSWER: A
Explanation: The spacing effect is a well-established principle in learning science demonstrating
that distributing study and learning sessions over time (spaced practice) produces superior long-
term retention compared to massed practice (cramming). By planning the unit across three
weeks with regular review, the teacher is implementing spaced practice, which allows time for
consolidation, encoding, and transfer of information to long-term memory. Options B and C
describe effects related to serial position in memory, not the temporal distribution of learning.
Option D describes massed practice, which research consistently shows is less effective for long-
term retention than spaced practice.
Question 3
During a professional development session, a teacher learns about the concept of "desirable
difficulties" in learning. She wants to apply this concept to her mathematics instruction. Which
instructional approach best represents the implementation of desirable difficulties?
A. Providing step-by-step instructions for every problem type to reduce student frustration and
ensure all students can complete assignments successfully
B. Designing challenging tasks where students must apply familiar mathematical concepts in
new and slightly difficult ways, requiring effortful engagement
C. Allowing students to use calculators and reference sheets for all assignments to reduce
cognitive load and focus on conceptual understanding
D. Ensuring that all tasks are at the appropriate grade level and that students experience
success on most problems before moving to new content
,ANSWER: B
Explanation: Desirable difficulty, a concept introduced by cognitive psychologist Robert Bjork,
refers to learning conditions that require effort and are challenging but not impossible. These
conditions enhance long-term learning and retention by engaging learners more deeply with
the material. Applying familiar concepts in new contexts requires students to retrieve, adapt,
and extend their knowledge, which strengthens neural connections and promotes transfer.
Option A reduces challenge and does not create desirable difficulty. Option C removes cognitive
engagement. Option D, while appropriate for instructional sequencing, does not specifically
represent desirable difficulties; it represents maintaining student confidence through
appropriate challenge. Option B directly implements desirable difficulties by creating productive
struggle within the learner's zone of proximal development.
Question 4
A high school student spends four hours studying for a history exam the night before the test,
reviewing notes repeatedly and trying to memorize dates, names, and events. On the exam, the
student recalls some information but struggles to ANSWER questions requiring analysis or
comparison of historical events. According to learning science principles, what is the most likely
explanation for this outcome?
A. The student's studying strategy was ineffective because cramming overwhelms the
cerebrum's processing capacity, impairing cognitive function and reducing retention
B. The student did not study enough total hours and should have spent six to eight hours
reviewing to achieve deeper understanding
C. The student should have used flashcards instead of reviewing notes, as flashcards are
universally more effective for memorization
D. The student's working memory capacity was insufficient to hold all the historical information
needed for the exam
ANSWER: A
Explanation: Cramming inundates the cerebrum with too much information in a short period,
exceeding its processing capacity. This cognitive overload leads to confusion, difficulty
organizing thoughts, and weaker memory retention. While the student may remember some
factual information temporarily, deeper understanding and the ability to analyze, compare, or
apply knowledge requires distributed practice, meaningful encoding, and time for consolidation.
Research clearly shows that spaced, repeated exposure is more effective for learning than
intense, last-minute memorization. Option B misidentifies the problem as insufficient total time
rather than ineffective distribution of time. Option C oversimplifies effective study strategies, as
, note review can be effective when combined with retrieval practice and elaboration. Option D
misdiagnoses a problem of ineffective encoding and distribution as a capacity limitation.
Question 5
A kindergarten teacher wants to support students' cognitive development in alignment with
Piaget's theory. During a lesson on volume and quantity, the teacher fills two identical cups with
water, then pours one cup's contents into a taller, narrower container. When asked which
container holds more water, most students say the taller container holds more. According to
Piaget's theory, which cognitive limitation explains these students' responses?
A. Egocentrism, which prevents them from considering alternative viewpoints
B. Conservation, which they have not yet developed at this developmental stage
C. Abstract reasoning, which has not yet emerged in their cognitive development
D. Hypothetical thinking, which requires formal operational reasoning
ANSWER: B
Explanation: In Piaget's preoperational stage (approximately ages 2-7), children have not yet
developed conservation—the understanding that quantity remains the same despite changes in
appearance or arrangement. When water is poured into a taller container, preoperational
children focus on the height and cannot mentally reverse the operation or understand that the
amount of water has not changed. Egocentrism (Option A) refers to difficulty seeing others'
perspectives, which is also characteristic of this stage but does not specifically explain the
conservation error. Abstract reasoning (Option C) and hypothetical thinking (Option D) develop
later in Piaget's concrete operational and formal operational stages, respectively. The
conservation concept is specifically assessed using tasks like the water container
demonstration.
Question 6
A high school French teacher wants to help students develop fluency in speaking and
comprehension. She designs activities where students practice with classmates who are at
slightly higher proficiency levels, providing support as needed, and gradually reduces that
support as students gain competence. Which two theoretical concepts does this teacher's
approach most directly reflect?
A. Operant conditioning and positive reinforcement
B. Zone of Proximal Development and scaffolding
Comprehensive 250-Questions and correct ANSWERs
Objective Assessment Examination 2026/2027 edition
graded A
Question 1
A third-grade teacher notices that students in her class show markedly different levels of
engagement and comprehension during science lessons. Some students thrive during hands-on
experiments, while others prefer reading about concepts first before participating in activities.
The teacher wants to design instruction that maximizes learning for all students. According to
the principles of learning science, which approach should the teacher prioritize to address this
variability effectively?
A. Identify each student's dominant learning style using a validated assessment instrument and
provide instruction exclusively through that modality for optimal outcomes
B. Use a single instructional method consistently to establish routine and predictability, which
research shows increases student achievement over time
C. Employ varied instructional methods that engage multiple senses and cognitive processes,
incorporating visual, auditory, kinesthetic, and collaborative elements across lessons
D. Allow students to self-select their preferred learning activities without teacher guidance to
promote autonomy and intrinsic motivation
ANSWER: C
Explanation: The "myth of normality" in learning science teaches us that there is no single
optimal way to learn or process information. Human brains and cognitive functioning are highly
variable, and effective instruction acknowledges this diversity. Research in neuroscience and
educational psychology demonstrates that varying instructional methods to engage multiple
cognitive pathways enhances learning for all students, regardless of their individual preferences.
Option A perpetuates the discredited learning styles myth, Option B contradicts evidence that
varied instruction improves outcomes, and Option D removes necessary teacher guidance and
scaffolding. Employing diverse instructional strategies recognizes neurodiversity and supports all
learners by providing multiple entry points to content.
Question 2
,A middle school teacher designs a unit on the American Revolution and wants students to
develop deep, lasting understanding rather than superficial memorization. She plans to teach
the unit across three weeks with regular review sessions and connections to prior learning
about colonial life. Which learning principle is the teacher most effectively applying through this
approach?
A. The spacing effect, which involves distributing learning over time to enhance long-term
retention and understanding
B. The recency effect, which suggests that information presented most recently is best
remembered
C. The primacy effect, which indicates that information presented first in a sequence is most
likely to be retained
D. Massed practice, which concentrates learning into intensive sessions to build automaticity
ANSWER: A
Explanation: The spacing effect is a well-established principle in learning science demonstrating
that distributing study and learning sessions over time (spaced practice) produces superior long-
term retention compared to massed practice (cramming). By planning the unit across three
weeks with regular review, the teacher is implementing spaced practice, which allows time for
consolidation, encoding, and transfer of information to long-term memory. Options B and C
describe effects related to serial position in memory, not the temporal distribution of learning.
Option D describes massed practice, which research consistently shows is less effective for long-
term retention than spaced practice.
Question 3
During a professional development session, a teacher learns about the concept of "desirable
difficulties" in learning. She wants to apply this concept to her mathematics instruction. Which
instructional approach best represents the implementation of desirable difficulties?
A. Providing step-by-step instructions for every problem type to reduce student frustration and
ensure all students can complete assignments successfully
B. Designing challenging tasks where students must apply familiar mathematical concepts in
new and slightly difficult ways, requiring effortful engagement
C. Allowing students to use calculators and reference sheets for all assignments to reduce
cognitive load and focus on conceptual understanding
D. Ensuring that all tasks are at the appropriate grade level and that students experience
success on most problems before moving to new content
,ANSWER: B
Explanation: Desirable difficulty, a concept introduced by cognitive psychologist Robert Bjork,
refers to learning conditions that require effort and are challenging but not impossible. These
conditions enhance long-term learning and retention by engaging learners more deeply with
the material. Applying familiar concepts in new contexts requires students to retrieve, adapt,
and extend their knowledge, which strengthens neural connections and promotes transfer.
Option A reduces challenge and does not create desirable difficulty. Option C removes cognitive
engagement. Option D, while appropriate for instructional sequencing, does not specifically
represent desirable difficulties; it represents maintaining student confidence through
appropriate challenge. Option B directly implements desirable difficulties by creating productive
struggle within the learner's zone of proximal development.
Question 4
A high school student spends four hours studying for a history exam the night before the test,
reviewing notes repeatedly and trying to memorize dates, names, and events. On the exam, the
student recalls some information but struggles to ANSWER questions requiring analysis or
comparison of historical events. According to learning science principles, what is the most likely
explanation for this outcome?
A. The student's studying strategy was ineffective because cramming overwhelms the
cerebrum's processing capacity, impairing cognitive function and reducing retention
B. The student did not study enough total hours and should have spent six to eight hours
reviewing to achieve deeper understanding
C. The student should have used flashcards instead of reviewing notes, as flashcards are
universally more effective for memorization
D. The student's working memory capacity was insufficient to hold all the historical information
needed for the exam
ANSWER: A
Explanation: Cramming inundates the cerebrum with too much information in a short period,
exceeding its processing capacity. This cognitive overload leads to confusion, difficulty
organizing thoughts, and weaker memory retention. While the student may remember some
factual information temporarily, deeper understanding and the ability to analyze, compare, or
apply knowledge requires distributed practice, meaningful encoding, and time for consolidation.
Research clearly shows that spaced, repeated exposure is more effective for learning than
intense, last-minute memorization. Option B misidentifies the problem as insufficient total time
rather than ineffective distribution of time. Option C oversimplifies effective study strategies, as
, note review can be effective when combined with retrieval practice and elaboration. Option D
misdiagnoses a problem of ineffective encoding and distribution as a capacity limitation.
Question 5
A kindergarten teacher wants to support students' cognitive development in alignment with
Piaget's theory. During a lesson on volume and quantity, the teacher fills two identical cups with
water, then pours one cup's contents into a taller, narrower container. When asked which
container holds more water, most students say the taller container holds more. According to
Piaget's theory, which cognitive limitation explains these students' responses?
A. Egocentrism, which prevents them from considering alternative viewpoints
B. Conservation, which they have not yet developed at this developmental stage
C. Abstract reasoning, which has not yet emerged in their cognitive development
D. Hypothetical thinking, which requires formal operational reasoning
ANSWER: B
Explanation: In Piaget's preoperational stage (approximately ages 2-7), children have not yet
developed conservation—the understanding that quantity remains the same despite changes in
appearance or arrangement. When water is poured into a taller container, preoperational
children focus on the height and cannot mentally reverse the operation or understand that the
amount of water has not changed. Egocentrism (Option A) refers to difficulty seeing others'
perspectives, which is also characteristic of this stage but does not specifically explain the
conservation error. Abstract reasoning (Option C) and hypothetical thinking (Option D) develop
later in Piaget's concrete operational and formal operational stages, respectively. The
conservation concept is specifically assessed using tasks like the water container
demonstration.
Question 6
A high school French teacher wants to help students develop fluency in speaking and
comprehension. She designs activities where students practice with classmates who are at
slightly higher proficiency levels, providing support as needed, and gradually reduces that
support as students gain competence. Which two theoretical concepts does this teacher's
approach most directly reflect?
A. Operant conditioning and positive reinforcement
B. Zone of Proximal Development and scaffolding
