CCTST Cheat Sheet 2026

The 30 highest-yield CCTST facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which argument contains the formal fallacy of denying the antecedent? → If you study, you pass. You didn't study. So you won't pass.
2. The phrase 'It is not the case that no students failed' is logically equivalent to which of the following? → Some students failed.
3. Which feature most distinguishes a 'strong' explanation from a 'weak' one on the CCTST? → The extent to which the explanation is backed by relevant evidence and sound reasoning
4. If 1 in 5 students fails an exam, and the class has 200 students, how many students pass? → 160
5. What is the value of continuing education in deductive reasoning for CCTST professionals? → It keeps professionals current with evolving standards and practices
6. The phrase 'inductive leap' refers to: → Moving from specific observations to a general conclusion
7. Which of the following arguments contains a 'middle term' error (undistributed middle)? → All cats are animals. All dogs are animals. Therefore, all cats are dogs.
8. Which professional attribute is most valued in explanation skills within the CCTST field? → Accountability and commitment to standards
9. "God exists because the Bible says so, and the Bible is true because it is the word of God." This is classified as: → Circular reasoning
10. What is the most important professional competency for CCTST certification in interpretation? → Deep knowledge combined with practical application skills
11. A news article reports that a new drug 'significantly' reduces symptoms. In critical analysis, the most important follow-up question is: → What does 'significantly' mean—statistically, clinically, or practically?
12. A research report states 'the correlation between ice cream sales and drowning rates is r = 0.9.' What is the most critical thinking–appropriate interpretation? → Both variables likely increase in summer due to hot weather
13. "My doctor said vaccines are dangerous, so they must be." Which fallacy best describes over-reliance on this single source? → Appeal to authority
14. When a CCTST question asks you to identify the 'best interpretation' of a passage, you should primarily look for the interpretation that: → Is most consistent with what the passage explicitly states.
15. Which of the following best describes a 'straw man' fallacy that must be evaluated critically? → Misrepresenting an opponent's argument in a weaker form in order to refute it
16. A coin is flipped ten times and lands heads each time. What is the best inference about the eleventh flip? → The probability of heads on the next flip remains approximately 50% for a fair coin.
17. A researcher claims crime rose by 200% in five years. If there were 50 incidents originally, how many are there now? → 150
18. Which analysis technique is best for case 8? → Apply structured analysis 8
19. How should argument 1 be evaluated? → Critically evaluate evidence 1
20. The statement 'All registered voters in this county are citizens' is best interpreted as: → A universal affirmative claim about a specific group.
21. What logical inference can be drawn from statement 8? → Reasonable inference 8
22. Which correctly identifies a difference between inductive and deductive reasoning regarding certainty? → Deductive reasoning yields necessary conclusions; inductive reasoning yields probable ones
23. Which of the following correctly interprets a median household income of $65,000? → Half of households earn less than $65,000 and half earn more
24. Which foundational principle is MOST important for success in the California Critical Thinking Skills Test profession? → Commitment to continuous learning, ethical practice, and quality outcomes
25. "The word 'bank' can mean a financial institution or a riverbank. Since banks hold deposits, rivers must hold deposits too." This illustrates: → Equivocation
26. An argument concludes that a diet supplement is safe because it contains 'all-natural ingredients.' What evaluative error does this reflect? → Appeal to nature fallacy
27. A study of 15 college students concludes that 'young Americans prefer online learning over in-person classes.' What fallacy is present? → Hasty generalization
28. A graph shows test scores rising from 70 to 91 over three years. Which statement best describes the change? → Scores increased by 21 points and 30%
29. In CCTST practice, what is the best approach to quality improvement in problem solving? → Use data-driven methods with measurable outcomes
30. Which of the following statements is an analytic (logically true) claim? → All bachelors are unmarried