LSAT Flaws

Question 1

Equivocation Fallacy

Answer 1

new term or different meaning of term in conclusion than what is in the premise

Question 2

Correlation to Causation Fallacy

Answer 2

causal language in the conclusion based on a correlation in the premises

Question 3

Incomplete Comparison

Answer 3

comparison, judgement, or prescriptive statement is made in conclusion

Question 4

Conditional Reasoning Fallacy

Answer 4

Converse –> switches sufficient and necessary; Inverse –> negates sufficient and necessary

Question 4

Exclusivity Fallacy

Answer 4

strong choice language (must, the only, etc.) in the conclusion that overlooks other reasons or options

Question 5

Sampling Fallacy

Answer 5

survey, sample, poll, or study in the premise that generalizes something in conclusion

Question 6

Composition Fallacy

Answer 6

part to whole –> takes one part and generalizes whole; whole to part –> takes the whole and generalizes the part

Question 7

Percentage vs. Amount Fallacy

Answer 7

generalizes amount in conclusion from percentage or proportion given in premise

Question 8

Perception vs. Reality Fallacy

Answer 8

argument indicators (says, believes, claims) in the premise and further draws conclusion from it

Question 9

Temporal Fallacy

Answer 9

time element indicators (will, never, always) in conclusion

Question 10

Faulty Analogy Fallacy

Answer 10

commonality between 2 things in premise makes assumption in conclusion

Question 11

Logical Force Fallacy

Answer 11

weak language in premise but strong language in conclusion

Question 12

Absence of Evidence Fallacy

Answer 12

conclusion rejects claim in premise without sufficient evidence

Question 13

Ad Hominem Fallacy

Answer 13

mentions one’s character or credibility in premise to justify conclusion

Question 14

Circular Reasoning Fallacy

Answer 14

conclusion is a regurgitation of premise