Critical Thinking & Logical Reasoning Flashcards
7 cards from real PERT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Critical Thinking & Logical Reasoning flashcards as text
Which is the strongest counterargument to 'All teenagers are irresponsible'?
Answer: Many teenagers hold jobs and care for siblings
Responsible teenage behavior directly disproves the sweeping claim.
'This medicine must be safe because the doctor on TV said so.' This relies on:
Answer: Appeal to authority without evidence
Trusting a claim solely because an authority figure said it lacks real evidence.
If 'A implies B' is true, which is logically equivalent?
Answer: Not B implies not A
The contrapositive, 'not B implies not A,' is logically equivalent to 'A implies B.'
Which statement contains circular reasoning?
Answer: The book is reliable because it is trustworthy
Saying something is reliable because it is trustworthy restates the claim as its own proof.
A valid generalization should be based on:
Answer: A representative and sufficient sample
Sound generalizations require samples that are large enough and representative.
Given 'If the alarm sounds, evacuate. The alarm sounded,' the conclusion is:
Answer: Evacuate
Affirming the condition (the alarm sounded) yields the action: evacuate.
Which question best tests whether a source is credible?
Answer: Does the author have relevant expertise and cite evidence?
Credibility depends on the author's expertise and supporting evidence.