All practice questions

Journalist: The author of the recent controversial book on corporate tax evasion claims that multinational tech companies are illegally hiding profits in offshore accounts, basing this conclusion on a cache of leaked financial documents. However, this author has a well-documented history of writing sensationalized exposés designed specifically to maximize personal wealth and notoriety, often playing loose with journalistic standards. Thus, the author's claim that these tech companies are engaged in illegal tax evasion is clearly false.

The journalist's reasoning is most vulnerable to criticism on the grounds that it...

Financial analyst: In the city of Veridia, the vacancy rate for commercial office spaces has doubled over the past three years. Surprisingly, the average asking rent for available office spaces in the city has increased by 15% during this same period. This rent increase is undoubtedly driven by landlords aggressively renovating their vacant properties to premium 'Class A' status, which naturally commands a higher market price.

Which of the following, if true, most strongly supports the financial analyst's argument?

Consumer advocate: A recent survey of readers of the magazine *Luxury Auto Weekly* asked whether they prioritize fuel efficiency or engine performance when purchasing a new vehicle. Over 70 percent of respondents indicated that engine performance is their primary consideration. Therefore, automakers should focus less on fuel efficiency, since it is clear that most car buyers prioritize engine performance.

Which of the following most accurately describes a flaw in the consumer advocate's reasoning?

Match each of the following causal arguments (Left) with the specific unstated assumption upon which its conclusion most heavily relies (Right).

In classic industrial organization theory, tacit collusion—where competing firms coordinate pricing without direct inter-firm communication—has long posed an intractable challenge for antitrust enforcement under Section 1 of the Sherman Act, which strictly requires an "agreement" or concerted action. Traditional jurisprudence treats parallel pricing reached through independent market observation as lawful conscious parallelism, maintaining that mere market transparency and rational unilateral adaptation do not constitute an unlawful meeting of the minds. However, the widespread deployment of autonomous pricing algorithms in contemporary digital markets fundamentally destabilizes this doctrinal divide.

Unlike human managers whose parallel pricing relies on uncertain signaling and market friction, pricing algorithms operating via reinforcement learning can rapidly discover, achieve, and stabilize supra-competitive price equilibria without any explicit communication or shared software infrastructure. While some legal traditionalists argue that existing doctrine remains adequate because algorithmic alignment is merely automated tacit collusion lacking actionable intent, this formalist perspective overlooks the operational realities of computational pricing. Autonomous algorithms do not merely observe market conditions; they systematically eliminate pricing lag and optimize interdependent payoff structures in real time, replicating the economic harms of an express cartel while remaining immune to traditional evidentiary triggers. Consequently, antitrust jurisprudence must move beyond its fixation on subjective intent and direct communication, adopting an objective framework that recognizes the delegated use of interdependent pricing algorithms as an actionable form of concerted coordination.

Based on the passage, what is the primary purpose of the author?

Passage:
In 1824, the French chemist Michel Eugène Chevreul was appointed director of the dye works at the Manufacture des Gobelins, a royal tapestry workshop in Paris. Soon after his arrival, weavers and overseers lodged formal complaints regarding the perceived inferiority of the workshop's black and deep violet dyes, asserting that these pigments lacked chemical saturation and appeared dingy when integrated into complex figurative compositions. Chevreul undertook systematic chemical analyses of the mordants and organic colorants used in the vats, but found no evidence of pigment degradation, improper binding, or chemical impurity. Instead, he observed that the perceived lack of vigor in the dark wools occurred exclusively when those threads were bordered by adjacent, highly luminous hues or complementary tones.

Through a sequence of controlled experiments using juxtaposed swatches of colored paper and woven textiles, Chevreul deduced that the perceived hue and brightness of any given color are altered by the simultaneous perception of adjacent colors—a phenomenon he formalized as the law of simultaneous contrast. He demonstrated that when two distinct colors are viewed side by side, the human visual system involuntarily shifts each tone toward the complementary color of its neighbor. Consequently, a neutral black thread placed alongside a brilliant blue thread does not simply appear black; rather, the adjacent blue induces its complementary tone (an orange-yellow cast), making the black appear muted, brownish, or faded. Chevreul concluded that the apparent defect was an optical illusion arising from retinal and neural processing rather than a flaw in the workshop's chemical formulations, and he advised weavers to modify the juxtaposition of neighboring colored threads rather than reformulating the dye vats.

Statement: According to the passage, Chevreul's chemical investigations revealed that the black and violet dyes used at the Gobelins workshop showed no evidence of pigment degradation or chemical impurity.

For decades, comparative psychologists operated under the Bischof-Köhler hypothesis, which asserted that nonhuman animals are fundamentally bound to their immediate present, lacking "chronesthesia"—the capacity to mentally travel backward to retrieve specific autobiographical episodes or forward to anticipate future motivational states. Under this paradigm, observed animal behaviors that seemed oriented toward past or future events were routinely dismissed as simple associative conditioning, hardwired semantic knowledge, or instinctual routines.

This longstanding orthodoxy was directly challenged by experiments examining food-caching behavior in western scrub-jays (*Aphelocoma californica*). By establishing that scrub-jays could integrate "what" food was hidden, "where" it was cached, and "when" the event occurred—preferentially retrieving perishable wax moth larvae over nonperishable peanuts only when the recovery interval was short enough to preclude spoilage—researchers demonstrated behavioral criteria for what they termed "episodic-like memory." Nevertheless, skeptical critics noted that satisfying the what-where-when behavioral triad does not definitively establish the presence of genuine episodic memory. Such discrimination, critics argued, could theoretically be executed via non-episodic mechanisms, such as tracking elapsed time through biological metabolic indicators or varying traces of associative familiarity, without requiring any subjective phenomenological re-experiencing of the caching event.

More recently, cognitive theorists have argued that the debate stalled precisely because it conflated functional cognitive capacity with inaccessible subjective experience. Because introspective awareness cannot be directly measured in nonhuman species, insisting upon human-like conscious recollection creates an unfalsifiable barrier to comparative study. Instead, researchers propose reframing episodic memory not as a passive repository of past nostalgia, but as an adaptive computational mechanism evolved primarily for prospective utility: the dynamic simulation and evaluation of future scenarios to guide flexible decision-making. Viewed from this evolutionary perspective, episodic retrieval across diverse taxa is better understood not as an all-or-nothing threshold defined by human self-awareness, but as a graduated set of cognitive tools for temporal reasoning shared across species with complex ecological demands.

Which of the following most accurately expresses the main idea of the passage?

Proponents of the literary movement known as *Oulipo* advocated for writing under severe, self-imposed constraints—such as composing an entire novel without using the letter 'e'. They argued that unlimited artistic freedom often paralyzes the imagination by allowing writers to rely on comfortable clichés. In contrast, adhering to strict, arbitrary rules forces the mind to abandon habitual patterns and invent entirely novel modes of expression.

Which one of the following scenarios is most analogous to the dynamic between constraint and innovation as conceptualized by the proponents of *Oulipo*?

Read the passage below carefully.

[Paragraph 1] For much of the twentieth century, musicological historiography characterized the late-sixteenth-century transition from meantone temperament to equal temperament primarily as a pragmatic response to the increasing mechanical complexity of fretted instruments and keyboard modularity. In this orthodox view, the acoustical compromises inherent in equal tuning—whereby pure mathematical ratios were abandoned in favor of uniform, slightly impure semitones—were grudgingly accepted by Renaissance theorists merely to facilitate unrestricted modulation across all keys. However, this functionalist narrative obscures the profound epistemological rupture that the temperamental shift represented. The debate over tuning was not merely acoustic, but fundamentally cosmological.

[Paragraph 2] The traditionalist faction, championed by Gioseffo Zarlino, defended syntonic tuning not simply for its harmonic purity, but because it preserved a core Pythagorean ontological premise: the belief that rational numerical proportions were the divine blueprint of the universe. To alter these ratios for mere practical convenience was, for Zarlino, tantamount to cosmological subversion. Musical intervals were not arbitrary human constructs; they were acoustic manifestations of celestial order. Therefore, the traditionalists viewed the introduction of equal temperament not as a technical innovation, but as a dangerous descent into perceptual relativism, threatening the conceptual architecture that linked musical harmony to divine reason.

[Paragraph 3] Conversely, Vincenzo Galilei and the progressive empiricists championed a radical reconceptualization of acoustic truth. By conducting systematic experiments on string tension and pipe lengths, Galilei demonstrated that the pure ratios idealized by Zarlino were often impossible to realize simultaneously in polyphonic practice. More importantly, Galilei argued that musical consonance was a matter of human sensory perception and cultural conditioning, rather than an objective reflection of universal mathematics. This empirical turn effectively secularized musical theory, divorcing it from speculative cosmology and aligning it with the nascent scientific revolution's emphasis on observable phenomena.

[Paragraph 4] Ultimately, the triumph of equal temperament was less a matter of instrumental mechanics than the collateral consequence of a broader paradigm shift in European intellectual history. As the Aristotelian-Ptolemaic worldview yielded to Galilean-Newtonian mechanics, the imperative for music to mirror a mathematically perfect, static cosmos evaporated. The new tuning system flourished because it resonated with an emergent modernity that prioritized pragmatic utility and human-centric aesthetic experience over the preservation of archaic metaphysical symmetries, thereby transforming music from a branch of mathematical cosmology into an autonomous aesthetic discipline.

The author's primary argument focuses on reinterpreting a historical shift in musical tuning as a profound epistemological transformation. Based on your understanding of the passage's main idea, match each paragraph to the statement that most accurately describes its structural and argumentative function within the author's overall discourse.

Orthodox neoclassical economics posits that economic institutions emerge efficiently in response to market demands, evolving toward optimality. Under this framework, sub-optimal institutions are quickly competed away. However, historical institutionalists challenge this paradigm, arguing that institutional development is profoundly characterized by 'path dependence'—a process wherein initial, sometimes arbitrary choices constrain future options and lock economies into particular trajectories, even if those trajectories prove inefficient in the long run. Douglas North, a prominent proponent of this view, observed that institutions often persist not because they are the most efficient available solution, but because powerful interest groups benefit from the status quo and wield sufficient political influence to block reform. Consequently, economic history is replete with examples of technological or organizational stagnation that neoclassical models fail to predict.

For North, the transaction costs of altering institutions—such as the legal frameworks governing property rights or the informal conventions structuring trade—are frequently prohibitive. When the 'rules of the game' are entrenched, actors optimize their behavior within that specific framework rather than seeking to change the framework itself. This explains why economies with structurally flawed institutions often fail to converge with wealthier nations. In contrast, rational choice institutionalists contend that actors can and do continually recalculate the costs and benefits of the institutional matrix, leading to punctuated equilibrium rather than permanent lock-in.

Critics of North’s historical institutionalism, particularly those from the sociological camp, argue that his model still concedes too much to the premise of rational self-interest. They maintain that actors do not simply calculate transaction costs when navigating institutions; rather, their very preferences and identities are shaped by the institutions themselves. To the sociologist, institutions are not merely external constraints on behavior, but cognitive frameworks that determine what actors can even conceive of as a benefit or a cost. Thus, an actor’s failure to reform an inefficient institution is not necessarily due to political blockades or prohibitive transaction costs, but often a profound lack of cognitive alternatives. The 'rules of the game' do not just regulate behavior; they constitute the actors' worldviews. Therefore, while North sees institutional stagnation as a failure of political coordination and transaction cost minimization, sociologists view it as a triumph of institutional socialization.

Based on the arguments presented in the passage, determine whether the following statement is true or false:

According to the sociological camp, if a society fails to abandon a highly inefficient agricultural sharing system after being exposed to a demonstrably superior market-based alternative, this failure is primarily due to the community members rationally determining that the political and transactional costs of changing their established system outweigh the potential economic benefits.

Read the following passage regarding environmental jurisprudence. Based on the author's analysis, fill in the blank in the sentence below with the exact word from the passage that holds a common colloquial meaning of social respect or prestige, but functions in this specialized context to denote the jurisdictional prerequisite of having suffered a concrete injury.

In contemporary environmental jurisprudence, the capacity of an advocacy organization to successfully litigate against a polluting entity frequently hinges on a formidable procedural threshold. It is insufficient to merely demonstrate that a statutory environmental regulation has been egregiously violated; nor does it suffice to argue that the public at large suffers abstractly from such infractions. Instead, federal courts mandate that plaintiffs establish they have sustained a concrete, particularized, and actual injury—one that is fairly traceable to the defendant's alleged misconduct and likely to be redressed by a favorable judicial decree. To the layperson, an organization’s long history of dedicated activism and widespread public respect might suggest they have excellent 'standing' within their community. Within the austere parameters of federal litigation, however, this term is entirely divorced from its colloquial connotations of social prestige, reputation, or moral authority. Rather, it operates as a specialized jurisdictional prerequisite, denoting the specific legal right to invoke the court’s authority to adjudicate a dispute. Unless the plaintiffs can articulate a direct, individualized harm—such as an organization's member being personally deprived of the aesthetic use of a specific polluted river—the court will dismiss the action. Consequently, even the most venerable environmental coalition will find its claims summarily rejected if it fails to satisfy this rigorous definitional standard, regardless of the objective ecological devastation at issue.

Read the following passage carefully.

Historically, cognitive science modeled perception as a fundamentally "bottom-up" process, wherein raw sensory data is sequentially assembled and interpreted by increasingly sophisticated cortical hierarchies until a coherent representation of the external world emerges. However, the paradigm of "predictive processing" (PP) fundamentally inverts this architecture. According to PP, the brain does not passively receive data; rather, it functions as an inference engine that continuously generates "top-down" probabilistic predictions about the causes of sensory inputs. In this model, the only information that actually propagates upward through the cortical hierarchy is the "prediction error"—the discrepancy between what the brain anticipated and what the sensory organs actually encountered. The brain's overarching objective is to minimize this prediction error, either by updating its internal models to better match the sensory input (perceptual inference) or by physically acting upon the world to change the sensory input to match the prediction (active inference).

Crucially, however, not all prediction errors are treated equally. The PP framework posits that the brain must estimate the reliability, or "precision," of the sensory information it receives. Precision weighting acts as a gain control mechanism on prediction error signals, determining the extent to which a given error will update higher-level models. If the brain expects sensory input to be noisy or unreliable—such as when viewing an object in dense fog—it assigns low precision to the resulting prediction errors, causing the perceptual system to rely more heavily on its prior expectations. Conversely, in highly reliable sensory environments, prediction errors are assigned high precision and forcefully drive the updating of internal models.

Neurobiologically, theorists argue that this precision weighting is heavily mediated by specific neuromodulatory systems. While early PP models broadly implicated dopamine in the encoding of precision, contemporary neurocomputational accounts draw a sharper functional distinction. These accounts suggest that while dopamine is primarily involved in encoding the precision of prediction errors concerning action and motor control (facilitating active inference), it is the cholinergic system—specifically the neurotransmitter acetylcholine—that predominantly regulates the precision of prediction errors regarding sensory attention (facilitating perceptual inference).

This distinction carries profound clinical implications, particularly for neurodevelopmental conditions such as autism spectrum disorder (ASD). Some researchers hypothesize that the sensory overwhelm frequently observed in ASD may stem from an inflexibly high precision weighting assigned to sensory prediction errors, driven by cholinergic dysregulation. Under this view, if the brain chronically treats all sensory fluctuations as highly reliable signals, it cannot easily abstract away minor environmental noise, necessitating rigid environmental control to minimize the resulting cognitive burden.

Based on the passage, which of the following best describes the specific function that contemporary neurocomputational accounts attribute to acetylcholine within the predictive processing framework?

Read the following excerpt regarding musical history:

'Prior to the 18th century, keyboard instruments were typically tuned using *just intonation*, a system that provided flawless mathematical harmony for a specific musical key, but resulted in jarring, highly dissonant chords—known as "wolf intervals"—if a musician attempted to play in a distantly related key. To solve this problem, musicians eventually adopted *equal temperament*, a compromise system that slightly detuned every interval. While no single chord sounded perfectly pure anymore, the system eliminated wolf intervals entirely, granting composers the unprecedented freedom to modulate seamlessly through all possible keys.'

A corporation is currently replacing its highly specialized, department-specific legacy software with a unified enterprise platform. While the new platform is somewhat clunky and lacks the highly optimized features the individual departments loved, it completely eliminates the data corruption errors that used to occur whenever departments tried to share files, allowing for fluid cross-departmental collaboration.

Based on the structural relationships described in both scenarios, match each element from the musical passage to its most analogous equivalent in the corporate IT scenario.

Columnist: Dr. Rostova argues that the city should not adopt the proposed biometric surveillance system, citing her extensive analysis of privacy breaches in similar municipalities. But let us not forget that Dr. Rostova is currently the lead plaintiff in a massive civil lawsuit against a major surveillance technology manufacturer, a case from which she stands to gain millions. Furthermore, she has built her entire public persona on opposing technological integration. Given her obvious financial and ideological biases, her analysis cannot be trusted, and her argument against adopting the system is thus entirely without merit.

The reasoning in the columnist's argument is most vulnerable to criticism on the grounds that the argument...

Every commercial vehicle operating within the inner city limits must be powered entirely by an electric motor and be registered with the municipal transport authority. Furthermore, no vehicle registered with the municipal transport authority is permitted to exceed a gross weight of eight tons. Currently, several commercial vehicles owned by Apex Freight exceed a gross weight of eight tons.

If the statements above are true, which one of the following cannot be true?

An argument that generalizes about a population based on a survey is insulated from the flaw of relying on an unrepresentative sample as long as the researchers employed a strictly randomized process to select the individuals who were invited to participate.

Analyze the following argument excerpts. Match each argument with the precise description of the temporal shift flaw it exhibits.

In a treatise on legal philosophy, a scholar defines the "Doctrine of Anticipatory Mitigation." According to this doctrine, a situation qualifies only if an entity, recognizing that a necessary action it plans to execute will inevitably cause harm to a secondary party, proactively and fundamentally alters its own planned action prior to initiation. Furthermore, the entity must incur a significant, unrecoverable cost to itself through this alteration, and the alteration must be motivated solely by the desire to eliminate the impending harm to the secondary party.

Which one of the following scenarios most accurately illustrates the Doctrine of Anticipatory Mitigation as described by the scholar?

For generations, the foundational narrative of international law has been anchored to a singular historical inflection point: the Peace of Westphalia in 1648. According to this orthodox historiography, the treaties of Münster and Osnabrück systematically dismantled the medieval hierarchical order of the Holy Roman Empire, replacing it with a horizontal system of legally equal, politically independent sovereign states. In this traditional view, Westphalia birthed the modern international system by enshrining the principle of *cuius regio, eius religio* as a broader mandate for absolute territorial sovereignty and non-intervention. Consequently, international legal scholars have long treated 1648 as the genesis of modern statehood, a clean epistemological break from medieval universalism.

However, a growing cohort of revisionist historians and legal scholars has persuasively demonstrated that this "Westphalian myth" is a retroactive intellectual fabrication. A close examination of the actual treaty texts reveals that the negotiators in 1648 were not conceptualizing a new system of sovereign equality, but rather reconfiguring the internal constitutional mechanics of the Holy Roman Empire. The treaties explicitly preserved the overarching hierarchical authority of the Emperor and the Imperial Diet. The territorial prerogatives granted to the imperial estates (*Landeshoheit*) were carefully circumscribed and fundamentally distinct from the modern concept of absolute sovereignty (*majestas*), as they remained subject to imperial appellate jurisdictions and structural limits.

Furthermore, the attribution of a paradigm of non-intervention to Westphalia represents a profound historical anachronism. The treaties expressly established a system of mutual guarantee, effectively legalizing external intervention to uphold the newly established constitutional settlement. Guarantor powers like France and Sweden were granted the explicit legal right to intervene in the internal affairs of the Empire to protect the religious and political rights of the estates. This framework of legalized interventionism stands in stark contradiction to the classical principles of sovereign autonomy that nineteenth-century scholars later projected back onto the 1648 settlement.

The persistence of the Westphalian myth within international legal scholarship, therefore, owes less to historical reality than to the ideological utility of the narrative. As European powers sought to consolidate domestic state-building projects in the nineteenth century and rationalize an international system predicated on the absolute sovereignty of the nation-state, they required a foundational origin story. By mischaracterizing Westphalia as the birthplace of sovereign equality, scholars obscured the complex, hierarchical realities of early modern statecraft and naturalized a specific, historically contingent model of statehood. Thus, discarding the Westphalian myth is a necessary precondition for recognizing that sovereignty is not a static, original feature of the international order, but an evolving, deeply contested legal construct.

Which one of the following most accurately expresses the main point of the passage?

In 1952, Michael Ventris announced that Linear B, the script found on clay tablets excavated at Knossos and Pylos, was a Mycenaean dialect of Greek. Prior to this, the prevailing scholarly consensus, championed by Arthur Evans, held that Minoan civilization was completely distinct from the later Hellenic culture, and thus the script could not possibly encode Greek. Ventris’s breakthrough rested on several methodological innovations. Rather than attempting to match Linear B signs to known languages immediately, he performed a rigorous statistical analysis of the sign frequencies and their occurrence in varying word endings. This structural approach led him to hypothesize that Linear B was a syllabary, and that the varying endings represented grammatical inflections.

A crucial, albeit often understated, component of Ventris's success was his eventual willingness to abandon the assumption that the language was Etruscan or Pelasgian. The turning point arrived when Ventris applied values derived from the classical Cypriot syllabary to a subset of Linear B words that he suspected were place names, such as Knossos and Amnisos. The resulting phonetic decipherment yielded recognizable Greek words. However, the academic establishment remained largely skeptical until the subsequent discovery of the 'Tripod Tablet' at Pylos. This tablet featured drawings of tripods and other vessels, accompanied by Linear B text that, when read with Ventris's phonetic values, translated exactly to the Greek words for 'tripods' and 'vessels with four handles.' The Tripod Tablet provided independent, visual confirmation of the decipherment, rendering the Greek hypothesis undeniable. Yet, some linguists point out that Ventris’s initial reliance on the Cypriot syllabary—a system centuries younger than Linear B—was highly speculative and heavily dependent on the serendipitous stability of place names over millennia.

The passage provides the most support for concluding that Ventris’s application of phonetic values from the classical Cypriot syllabary would likely have failed to yield recognizable Greek words if which one of the following had been true?