Logical Reasoning
PrepTest 151 Section 3
Find the question you’re working on. Explore the reasoning, understand each answer, and learn from your mistakes.
Choose a question
Explanations for every question, find them by number or text.
- Q1:
Researchers put two electrodes in a pool …Most Strongly Supported
Researchers created a weak electric field when a dolphin swam near electrodes.
- Q2:
In a study of honesty conducted in various retail stores …Evaluate the Argument
Most people who received extra change behaved dishonestly.
- Q3:
Dario: The government should continue to grant patents …Point At Issue
- Q4:
There are only two possible reasons that it would be wrong …Sufficient Assumption
It's not wrong to do mining operations on Mars.
- Q5:
A person with low self-esteem will be treated disrespectfully more often …Complete the Argument
- Q6:
Watanabe: To protect the native kokanee salmon …Principle – Strengthen
- Q7:
If rational-choice theory is correct, then people act only …Flawed Reasoning
Rational-choice theory is wrong.
- Q8:
Winds, the movement of gases in the atmosphere of a planet …Paradox
Winds are caused by temperature differences.
- Q9:
Until recently it was widely believed that only a limited number …Flawed Reasoning
More species can reproduce through parthenogenesis now than before.
- Q10:
Physician: Clinical psychologists who are not also doctors …Principle – Justify
Psychologists who don't have medical degrees shouldn't be allowed to prescribe psychiatric medication.
- Q11:
Lobbyist: Those who claim that automobile exhaust emissions …Flawed Parallel Reasoning
Exhaust emissions aren't a risk to public health.
- Q12:
A recently discovered fossil, which is believed by some to come from …Sufficient Assumption
The fossil doesn't prove that birds evolved from dinosaurs.
- Q13:
- Q14:
Music historian: In the past, radio stations would not play rock songs …Most Strongly Supported
Radio stations used to refuse to play rock songs longer than 3 minutes.
* Some musicians said this limit restricted creativity.
* Some critics claim rock only became truly artistic after that barrier was removed.
* Once the limit was lifted, structure broke down because the styles rock came from weren't well-suited to longer songs. - Q15:
Some food historians conclude that recipes compiled by …Method of Reasoning
The conclusion (that Apicius' recipes indicate how wealthy Romans ate) is hasty.
- Q16:
Wood that is waterlogged or desiccated can be preserved …Most Strongly Supported
Wood usually disintegrates within 100–200 years, unless unusually preserved.
* Because of this, few remains of early wheeled vehicles survive.
* Archaeologists have found small ceramic models of those vehicles from the same period.
* These models survive much better than the real vehicles.
* As a result, most evidence about early wheeled vehicles comes from the models. - Q17:
Traditional hatcheries raise fish in featureless environments …Necessary Assumption
Fish raised in experimental hatcheries are more likely to survive after release.
- Q18:
An analysis of the language in social media messages posted via the …Flawed Reasoning
A person's mood is happy in the morning, declines during the day, and improves in the evening.
- Q19:
Economist: The wages of many of the lowest-paid corporate employees …Necessary Assumption
A maximum wage law would help protect the wages of many lowest-paid corporate employees from cuts.
- Q20:
The level of triglycerides in the blood rises when …Weaken
Increased triglyceride levels contribute to heart disease.
- Q21:
In an experiment, some volunteers were assigned to take …Necessary Assumption
Aerobic exercise helps the body handle stress.
- Q22:
Insurers and doctors are well aware that the incidence of lower-back injuries …Weaken
Office equipment and furniture aren't designed to promote workers' health.
- Q23:
Researchers have found that some unprotected areas outside of a national park …Paradox
The park was designed to protect birds.
- Q24:
A recent poll of a large number of households found that 47 percent …Flawed Reasoning
People with university degrees are more likely to live with a cat than a dog.
- Q25:
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