Watson-Glaser Critical Thinking Appraisal Drawing Deductive Conclusions Questions and Answers 5

Question 1

Premises: All employees must complete compliance training. No part-time worker has completed compliance training. Conclusion: No part-time worker is an employee.

Accepted Answer

The conclusion follows

Answer

If all employees completed training and no part-time worker has, it follows that no part-time worker can be an employee.

Question 2

Premises: Some teachers are also researchers. All researchers publish papers. Conclusion: All teachers publish papers.

Accepted Answer

The conclusion does not follow

Answer

Only some teachers are researchers, so only those teacher-researchers must publish papers; the rest may not.

Question 3

Premises: No documentary films won the Best Picture award this year. 'Ocean Depths' won Best Picture this year. Conclusion: 'Ocean Depths' is not a documentary film.

Accepted Answer

The conclusion follows

Answer

Since no documentary won and 'Ocean Depths' did win, it cannot be a documentary — this follows necessarily.

Question 4

Premises: All squares are rectangles. All rectangles have four right angles. Conclusion: All squares have four right angles.

Accepted Answer

The conclusion follows

Answer

This is a valid chain syllogism: squares→rectangles→four right angles, so squares must have four right angles.

Question 5

Premises: Whenever inflation rises, interest rates increase. Interest rates have increased. Conclusion: Inflation has risen.

Accepted Answer

The conclusion does not follow

Answer

This commits the fallacy of affirming the consequent; interest rates may rise for reasons other than inflation.

Watson-Glaser Critical Thinking Appraisal Practice Test

Watson-Glaser Critical Thinking Appraisal Practice Test

Watson-Glaser Critical Thinking Appraisal Drawing Deductive Conclusions Questions and Answers 5