PASSPOINTPRO | D265 QUIZ 2
PASSPOINTPRO
WGU D265 Critical Thinking
REASON AND EVIDENCE
QUIZ 2
Evidence, Sources, and Statistical Reasoning
50 Multiple-Choice Questions
Answers and Explanations Included
Focused Concept Review | Scenario-Based Practice
D265 Quiz 2 | Page 1
, PASSPOINTPRO | D265 QUIZ 2
Quiz Instructions
Directions: Choose the best answer for each question. Each item has one defensible answer. The correct
answer and explanation appear immediately after the options for guided review.
Coverage: Source credibility, relevant expertise, track records, corroboration, conflicts of interest,
primary and secondary sources, peer review, anecdotes and testimonials, populations and samples,
sampling methods and bias, experimental design, variables, control groups, random assignment,
blinding, statistical measures, probability, correlation, causation, and evidence quality.
Quiz 2 - Questions 1-50
1. Which feature most directly supports a source's credibility?
A. Relevant expertise and a reliable record
B. A confident speaking style
C. A large social-media following
D. Agreement with the reader
Answer: A. Relevant expertise and a reliable record
Explanation: Credibility is grounded in competence and reliability relevant to the claim, not popularity or
presentation. The other choices either describe a different reasoning concept or fail to satisfy the definition
used in the question.
2. A Nobel-winning chemist comments on an advanced question in medieval history. What should a
critical thinker do?
A. Accept the claim because any Nobel Prize proves universal expertise
B. Reject the claim because experts are never reliable
C. Count the source's followers
D. Evaluate whether the source has relevant historical expertise
Answer: D. Evaluate whether the source has relevant historical expertise
Explanation: Expertise transfers only when the person's training and knowledge are relevant to the subject at
issue. The other choices either describe a different reasoning concept or fail to satisfy the definition used in the
question.
D265 Quiz 2 | Page 2
, PASSPOINTPRO | D265 QUIZ 2
3. Why does a source's track record matter?
A. It guarantees every future claim is true
B. It makes corroboration unnecessary
C. Past accuracy provides evidence about present reliability
D. It proves the source has no bias
Answer: C. Past accuracy provides evidence about present reliability
Explanation: A consistent record of accurate work raises credibility but does not create certainty. The other
choices either describe a different reasoning concept or fail to satisfy the definition used in the question.
4. What is corroboration?
A. One source repeating its claim many times
B. Independent sources confirming the same important claim
C. A source citing its own earlier post
D. A conclusion being emotionally appealing
Answer: B. Independent sources confirming the same important claim
Explanation: Independent confirmation reduces the chance that a claim rests on one source's error or
distortion. The other choices either describe a different reasoning concept or fail to satisfy the definition used
in the question.
5. A product reviewer receives undisclosed payments from the manufacturer. This creates a concern
about:
A. Conflict of interest
B. Sample size
C. Deductive validity
D. Argument mapping
Answer: A. Conflict of interest
Explanation: A financial relationship may influence the reviewer's judgment and should be disclosed and
considered. The other choices either describe a different reasoning concept or fail to satisfy the definition used
in the question.
D265 Quiz 2 | Page 3
PASSPOINTPRO
WGU D265 Critical Thinking
REASON AND EVIDENCE
QUIZ 2
Evidence, Sources, and Statistical Reasoning
50 Multiple-Choice Questions
Answers and Explanations Included
Focused Concept Review | Scenario-Based Practice
D265 Quiz 2 | Page 1
, PASSPOINTPRO | D265 QUIZ 2
Quiz Instructions
Directions: Choose the best answer for each question. Each item has one defensible answer. The correct
answer and explanation appear immediately after the options for guided review.
Coverage: Source credibility, relevant expertise, track records, corroboration, conflicts of interest,
primary and secondary sources, peer review, anecdotes and testimonials, populations and samples,
sampling methods and bias, experimental design, variables, control groups, random assignment,
blinding, statistical measures, probability, correlation, causation, and evidence quality.
Quiz 2 - Questions 1-50
1. Which feature most directly supports a source's credibility?
A. Relevant expertise and a reliable record
B. A confident speaking style
C. A large social-media following
D. Agreement with the reader
Answer: A. Relevant expertise and a reliable record
Explanation: Credibility is grounded in competence and reliability relevant to the claim, not popularity or
presentation. The other choices either describe a different reasoning concept or fail to satisfy the definition
used in the question.
2. A Nobel-winning chemist comments on an advanced question in medieval history. What should a
critical thinker do?
A. Accept the claim because any Nobel Prize proves universal expertise
B. Reject the claim because experts are never reliable
C. Count the source's followers
D. Evaluate whether the source has relevant historical expertise
Answer: D. Evaluate whether the source has relevant historical expertise
Explanation: Expertise transfers only when the person's training and knowledge are relevant to the subject at
issue. The other choices either describe a different reasoning concept or fail to satisfy the definition used in the
question.
D265 Quiz 2 | Page 2
, PASSPOINTPRO | D265 QUIZ 2
3. Why does a source's track record matter?
A. It guarantees every future claim is true
B. It makes corroboration unnecessary
C. Past accuracy provides evidence about present reliability
D. It proves the source has no bias
Answer: C. Past accuracy provides evidence about present reliability
Explanation: A consistent record of accurate work raises credibility but does not create certainty. The other
choices either describe a different reasoning concept or fail to satisfy the definition used in the question.
4. What is corroboration?
A. One source repeating its claim many times
B. Independent sources confirming the same important claim
C. A source citing its own earlier post
D. A conclusion being emotionally appealing
Answer: B. Independent sources confirming the same important claim
Explanation: Independent confirmation reduces the chance that a claim rests on one source's error or
distortion. The other choices either describe a different reasoning concept or fail to satisfy the definition used
in the question.
5. A product reviewer receives undisclosed payments from the manufacturer. This creates a concern
about:
A. Conflict of interest
B. Sample size
C. Deductive validity
D. Argument mapping
Answer: A. Conflict of interest
Explanation: A financial relationship may influence the reviewer's judgment and should be disclosed and
considered. The other choices either describe a different reasoning concept or fail to satisfy the definition used
in the question.
D265 Quiz 2 | Page 3
