Tüm alıştırma soruları

For each of the following paradoxical scenarios, identify the additional piece of information that best reconciles the seemingly contradictory evidence.

To combat medical errors, a regional health authority mandated a 20 percent reduction in the maximum allowable consecutive shift hours for hospital physicians. Post-implementation audits, utilizing the exact same stringent criteria as in previous years, confirmed that the average physician's level of exhaustion at the end of a shift decreased substantially. However, despite the total number of patient admissions remaining unchanged, the absolute number of medical errors definitively caused by physician fatigue actually increased.

Which one of the following, if true, most helps to resolve the apparent discrepancy?

University Administrator: The university is facing a severe budget deficit this year. We could eliminate this deficit by drastically increasing student tuition. However, our charter explicitly caps tuition increases at three percent annually, which is far below the increase that would be required to eliminate the deficit. It follows inescapably that we will be forced to significantly reduce the number of faculty members.

Which one of the following arguments contains a flawed pattern of reasoning most similar to the flawed pattern in the university administrator's argument?

Archaeologist: Recent excavations of the ancient settlement of Tlanex indicate a stark division in material culture. The highland sector contains thousands of intricately carved jade artifacts, whereas the lowland sector contains almost exclusively unpolished clay implements. Because the jade artifacts required hundreds of hours of specialized labor to produce, they were undoubtedly luxury items of immense value. Consequently, the inhabitants of the highland sector must have belonged to a significantly higher socioeconomic class than the inhabitants of the lowland sector.

Which one of the following is an assumption required by the archaeologist's argument?

To investigate the effects of the amino acid taurine, researchers placed laboratory mice on a diet completely devoid of it, adding the synthetic filler Zylotol to maintain identical caloric intake. These mice soon exhibited severe cognitive decline compared to a control group on a standard diet. The researchers concluded that taurine deficiency directly causes cognitive impairment. A critic countered that Zylotol’s mild neurotoxic properties actually caused the observed decline. Nevertheless, the researchers maintained their original conclusion.

Which of the following, if true, most strongly supports the researchers' original conclusion in light of the critic's objection?

In an effort to reduce respiratory illnesses, the local government of Oakhaven subsidized the installation of advanced air-purification systems in homes. These systems have been scientifically proven to eliminate 99 percent of common indoor allergens, such as dust mites and pet dander. Within a year, the majority of Oakhaven households had installed the systems. Nevertheless, public health records indicate that the total number of severe asthma attacks in Oakhaven actually increased over that same year.

Which one of the following, if true, most helps to resolve the apparent discrepancy?

Policy Analyst: In an effort to reduce the municipality's overall greenhouse gas emissions, the local government recently shifted all non-essential administrative staff to a four-day workweek, closing their respective office buildings completely on Fridays. Since this scheduling change took effect, metered energy consumption in these municipal facilities has decreased by exactly one-fifth on Fridays compared to the historical average. Therefore, this policy will inevitably yield a net reduction in the municipality's total greenhouse gas emissions.

Which of the following are assumptions on which the policy analyst's argument depends? (Select all that apply.)

Read the argument below. Apply the Variance Test to evaluate the argument by matching the possible factual discoveries (left) to their logical impact on the agricultural economist's core conclusion (right).

Agricultural Economist: To combat declining yields of the traditional Zea corn crop, valley farmers are being encouraged to switch to a genetically modified variant, Zea-Max. Zea-Max is highly resistant to the region's most common pests, which routinely destroy a large portion of the harvest. Since pest damage is currently the primary cause of crop loss in the valley, adopting Zea-Max will undoubtedly lead to a significant increase in the farmers' overall annual profits.

To be considered a true artist, one must produce a masterpiece and possess profound vision. The CEO's new strategic plan for the conglomerate is universally hailed by financial analysts as a masterpiece. Furthermore, the CEO demonstrated profound vision by accurately anticipating the recent global market crash and adjusting the company's investments accordingly. Therefore, the CEO is a true artist.

The argument's reasoning is deeply flawed. Which of the following accurately describes an instance of equivocation (the illicit shifting of a term's meaning) committed by the author? Select all that apply.

To alleviate severe traffic congestion, the metropolitan government of Meridia implemented a 'congestion charge'—a substantial toll levied on any vehicle entering the central business district during designated peak commuting hours. One year after the policy's implementation, the total volume of vehicles entering the district during these peak hours had decreased by 25 percent. City officials declared the policy a resounding success. However, critics point out that during the same year, a severe national economic downturn caused a 25 percent drop in office employment within Meridia's central business district. The critics argue that the economic downturn, not the congestion charge, was responsible for the traffic reduction. The city officials reject this criticism, maintaining that the congestion charge was indeed the primary driver of the decreased peak-hour traffic.

Which of the following, if true, provides the strongest support for the city officials' position?

Below are five brief arguments, each containing a specific logical vulnerability. Match each argument on the left to the abstract description of its flawed reasoning on the right.

Agricultural Scientist: The new Lumina strain of tomatoes has been genetically modified to produce a natural compound that repels the silverleaf whitefly, a major agricultural pest. In controlled greenhouse trials, Lumina plants suffered 80 percent less whitefly damage than conventional tomato plants. Therefore, transitioning to the Lumina strain in our region's commercial outdoor farms will undoubtedly lead to a significant increase in overall tomato yields.

Which one of the following is an assumption required by the agricultural scientist's argument?

Read the following two short excerpts regarding energy policy.

Passage A:
Wind energy represents the single most important breakthrough in our fight against climate change. We must transition exclusively to wind power immediately, as it is our only realistic hope for a sustainable future. Traditional fossil fuels are a disastrous dead end that must be completely abandoned without delay.

Passage B:
Wind energy certainly offers a valuable component for a diversified clean energy portfolio. However, relying on it as a solitary solution is dangerously naive, given its intermittent nature. A truly robust strategy requires a balanced integration of wind, solar, and advanced nuclear technologies.

Match each topic on the left with the description on the right that best characterizes the authors' tones and attitudes toward that topic.

Under the updated nomenclature established by the interstellar taxonomy committee, any celestial body that has a mass less than 13 Jupiter masses and is not gravitationally bound to a star is designated a planetary-mass isolated object (PMIO). No PMIOs have internal temperatures sufficient to ignite deuterium fusion. Furthermore, every celestial body possessing a detectable circumplanetary dust disk either has an internal temperature sufficient to ignite deuterium fusion or is actively accreting mass from a surrounding stellar nursery. Astronomers recently identified three celestial bodies in the Orion Molecular Cloud that are designated as PMIOs and possess detectable circumplanetary dust disks.

Which of the following must be true based on the information provided above?

Analyze the logical vulnerabilities present in the four domain-specific arguments below. Map the text of each argument to the precise structural characterization of its reasoning error.

Match each argument on the left with the evidentiary finding on the right that most effectively strengthens its central conclusion.

Each excerpt below presents an academic argument that relies on an unstated premise. Match each argument with the implicit assumption on which its conclusion necessarily depends.

Paleontologist: Fossil specimens of *Eoconstrictor*, an ancient snake from the Eocene epoch, exhibit cranial and vertebral adaptations characteristic of modern arboreal snakes that hunt in high forest canopies. Additionally, fossilized stomach contents from three distinct specimens contain remains of an arboreal lizard species. Therefore, *Eoconstrictor* must have hunted primarily in tree canopies rather than foraging along the forest floor.

Which of the following statements, if true, undermine the paleontologist's argument? Select all that apply.

Passage A
The recent push to expand antitrust enforcement beyond the 'consumer welfare' standard fundamentally misapprehends the institutional limits of the judiciary. Proponents of the structuralist approach argue that antitrust laws should be wielded to break up monopolies in order to disperse political power and protect democratic institutions. While it is undeniable that massive corporate conglomerates exert substantial political influence, the judiciary is not the appropriate vehicle for redressing such imbalances. Judges are equipped to evaluate quantifiable metrics, such as output restrictions and price increases. When courts are instead asked to determine how much market share constitutes an unacceptable threat to democracy, they are left without objective legal standards, inevitably transforming antitrust enforcement into an exercise in arbitrary, subjective policymaking.

Passage B
For nearly a century, the primary objective of antitrust law was the preservation of a decentralized economy, operating on the understanding that concentrated market power inherently translates into dangerous political leverage. The modern reduction of antitrust jurisprudence to the 'consumer welfare' standard—which focuses exclusively on short-term price effects—is a historical aberration. Defenders of this narrow approach often claim that evaluating the political consequences of corporate consolidation requires sociological judgments that courts are incapable of making. Yet this ahistorical defense ignores the reality that, prior to the 1970s, courts routinely and successfully applied structuralist antitrust principles. Evaluating market dominance and its threat to democratic competition requires no more subjective guesswork than is demanded by the highly malleable econometric models currently used to predict consumer pricing.

Statement: The authors of Passage A and Passage B are committed to disagreeing over whether large corporate conglomerates possess the ability to exert influence over political systems.

Cognitive neuropsychologists evaluating language recovery in a prospective clinical cohort established the following facts:

• Any patient exhibiting damage to the left inferior parietal lobule experiences severe phonological retrieval deficits.
• All patients with severe phonological retrieval deficits fail the rapid naming latency benchmark unless they receive structured multimodal speech therapy.
• No patient in the prospective clinical cohort who failed the rapid naming latency benchmark was able to maintain unassisted conversational fluency.
• Some patients in the cohort who received structured multimodal speech therapy nevertheless failed the rapid naming latency benchmark.
• Patient K is a participant in the prospective clinical cohort who maintained unassisted conversational fluency.

Based on the statements above, which of the following must be true? (Select all that apply)