CCTST Interpretation 5 — Questions and Answers
Question 1: A poll reports: '60% of Americans support stricter environmental regulations.' To interpret this finding accurately, you should first consider:
- Whether the remaining 40% have valid concerns.
- How the question was worded and who was sampled. (Correct answer)
- Whether environmental regulations are economically beneficial.
- What percentage of Americans vote in elections.
Correct answer: How the question was worded and who was sampled.
Survey results are only interpretable in light of question wording (which shapes responses) and sampling methodology (which affects representativeness).
Question 2: The phrase 'Sales increased by 100%' and the phrase 'Sales doubled' convey:
- Different magnitudes of change.
- The same magnitude expressed differently. (Correct answer)
- 100% meaning more than doubled.
- Doubled meaning a larger increase than 100%.
Correct answer: The same magnitude expressed differently.
A 100% increase means the value grew by the original amount—exactly doubling—so both expressions convey identical magnitude.
Question 3: You encounter the argument: 'This policy has been in place for 50 years, so it must be working.' The key interpretive problem with accepting this conclusion is:
- Longevity alone does not demonstrate effectiveness without measuring outcomes. (Correct answer)
- Fifty years is not a long enough time to evaluate a policy.
- The policy may have changed over time.
- Old policies are inherently inferior to new ones.
Correct answer: Longevity alone does not demonstrate effectiveness without measuring outcomes.
Duration of existence is not evidence of success; a policy can persist for many reasons unrelated to its effectiveness.
Question 4: A medical journal abstract reads: 'Results were not statistically significant (p = 0.08).' The correct interpretation of this finding is:
- The treatment has been definitively proven ineffective.
- The study failed to provide strong enough evidence to rule out chance. (Correct answer)
- The treatment is only 8% likely to be effective.
- The researchers made errors in their methodology.
Correct answer: The study failed to provide strong enough evidence to rule out chance.
A p-value of 0.08 means the results do not cross the conventional significance threshold (p < 0.05), indicating insufficient evidence to reject the null hypothesis, not proof of no effect.
Question 5: Someone argues: 'You can't trust Maria's opinion on tax policy because she's wealthy.' This statement attempts to interpret Maria's claim by focusing on:
- The logical structure of her argument.
- Her personal characteristics rather than the content of her argument. (Correct answer)
- The empirical evidence she cites.
- Her stated political affiliations.
Correct answer: Her personal characteristics rather than the content of her argument.
This is an ad hominem move—interpreting or dismissing an argument based on the arguer's identity rather than the argument's merits.
Question 6: A diagram shows that cities with more libraries also have lower dropout rates. The most cautious and accurate interpretation is:
- Libraries directly cause students to stay in school.
- There is an observed association between library presence and lower dropout rates. (Correct answer)
- Building more libraries will always reduce dropout rates.
- Dropout rates are primarily determined by access to libraries.
Correct answer: There is an observed association between library presence and lower dropout rates.
Observational data establishes association, not causation; stating an association is the most defensible interpretation without further evidence.
Question 7: Which of the following best illustrates the skill of 'clarifying meaning' as part of interpretation on the CCTST?
- Deciding whether an argument's conclusion is true or false.
- Identifying what a vague or ambiguous term in a claim could mean. (Correct answer)
- Listing all possible counterexamples to a generalization.
- Predicting the consequences of accepting an argument's premises.
Correct answer: Identifying what a vague or ambiguous term in a claim could mean.
Clarifying meaning involves unpacking ambiguous or vague language to determine the precise content of a claim before evaluating it.
CCTST Interpretation 5
A poll reports: '60% of Americans support stricter environmental regulations.' To interpret this finding accurately, you should first consider: