영어 모의고사 (자동 편성)

A striking proportion of individual investors believe their own stock-picking ability to be above average, a statistical impossibility given that only half of any population can genuinely outperform the rest, yet a pattern that ①persists with remarkable consistency across surveys. This tendency, known as overconfidence bias, leads investors ②to trade more frequently than a more cautious assessment of their own skill would justify. Extensive research comparing the trading records of numerous individual accounts has demonstrated that investors who trade most frequently ③tends to earn substantially lower returns than those who trade rarely, largely because transaction costs accumulate and because frequent trading often reflects overconfident reactions to short-term noise rather than genuine insight. Overconfidence also manifests in the tendency to underestimate the range of possible outcomes, ④causing investors to concentrate their holdings in a small number of assets they feel certain about rather than diversifying across a broader portfolio. Paradoxically, then, the very confidence that motivates investors to act decisively often ⑤undermines the outcomes they are trying to achieve.

Marketers have long recognized that perceived scarcity, the sense that a product or opportunity ①are available only in limited quantity or for a limited time, can dramatically increase its desirability, even when the item's intrinsic qualities remain entirely unchanged. This phenomenon, known as the scarcity effect, operates on a simple psychological principle: when something appears difficult to obtain, people tend ②to infer that it must be valuable, since truly worthless items rarely generate genuine competition for possession. A retailer who labels a product as "limited edition" or displays a countdown timer beside a discounted offer exploits this inference, ③prompting customers to make hurried purchase decisions they might otherwise postpone or reconsider. Experimental studies confirm that identical products ④are rated as more desirable and often command higher prices when framed as scarce than when the same products are presented as widely and continuously available. The effect intensifies further when scarcity is attributed to high demand rather than to limited supply alone, since competition from other buyers ⑤introduces an additional layer of urgency absent from mere supply constraints.

Anyone who has ever promised to finish a project "by Friday," only ①to still being working on it weeks later, has experienced the planning fallacy firsthand. This term describes the persistent tendency of individuals and organizations ②to underestimate how long a task will take, how much it will cost, and how many complications will inevitably arise. What makes this bias particularly stubborn is that awareness of past failures rarely leads to more accurate predictions; a construction firm that ③finished its last three projects late will often insist, with genuine confidence, that this next project will be different. Researchers argue that planners focus almost exclusively on the specific steps of the current task while ④ignoring the broader statistical record of similar projects that came before. Until such external correction becomes standard practice, ambitious deadlines will likely continue to be ⑤broken with remarkable consistency.

When people estimate the value of an unfamiliar product, they rarely rely on objective calculation alone; instead, they anchor their judgment to whatever numerical reference ①happens to be presented first, however arbitrary that number may be. This phenomenon, ②known as the anchoring effect, exerts a disproportionate influence on price perception precisely because initial figures function as a kind of cognitive gravity that subsequent estimates struggle to escape. A shopper who ③first sees a jacket listed at $300 before it is marked down to $150 will likely judge the discounted price as an excellent bargain. Retailers, well aware of this bias, frequently display an inflated "original price" beside a discounted one, not because the higher figure is meaningful, but because it ④recalibrate customers' expectations. Even professionals are not immune: negotiators who open with an extreme initial offer often secure more favorable final terms than those ⑤who begin with a moderate one.

Many households save far less for retirement than conventional financial advice would recommend. Some economists have proposed a savings program in which employees commit today to allocating a portion of their future salary increases toward retirement savings, rather than being asked to reduce their current take-home pay immediately. Field trials of such programs have reported substantial increases in average savings rates. This approach demonstrates that savings policy grounded in realistic assumptions about human psychology can prove considerably more ___________ than policy grounded in the assumption that individuals will always act in strict accordance with their own long-term rational interests.

Physicist Erwin Schrödinger devised a now-famous thought experiment not to describe an actual laboratory procedure, but to expose an absurdity hidden within a leading interpretation of quantum mechanics. (A) Because the atom's decay is governed by genuine quantum randomness, standard quantum theory describes the atom, before anyone looks, as existing in a superposition of having decayed and not having decayed at the same time. (B) Imagine a cat sealed inside a closed box together with a radioactive atom and a vial of poison gas rigged to break open the instant the atom decays. (C) If the theory is applied consistently to the entire box, the cat itself would have to be considered simultaneously alive and dead until an observer opens the lid and looks inside.

Loss aversion does not only influence individual financial choices; it also shapes how information is presented and interpreted in everyday transactions, a phenomenon that marketers and policymakers have learned to exploit deliberately. (A) For example, a retailer who frames a price reduction as "avoid losing a $10 discount by ordering today" typically generates a stronger customer response than one who simply advertises "get a $10 discount," even though both messages describe an identical saving. (B) In other words, the manner in which a choice is presented can activate the same psychological aversion to loss that governs decisions about resources already possessed, meaning that framing itself carries real economic weight. (C) This effect is not confined to retail settings, however; negotiators, too, often treat concessions as losses rather than as steps toward mutual gain, which makes compromise feel more costly than it objectively is.

Dual coding theory, first proposed to explain why certain kinds of information are remembered more readily than others, holds that the mind processes verbal and visual material through two partially independent channels rather than a single unified system. (A) Consequently, dual coding theory has profound implications for instructional design, suggesting that combining carefully chosen visuals with concise verbal explanations can strengthen students' long-term retention of complex material. (B) According to this account, words and other linguistic symbols are encoded primarily through a verbal channel that represents meaning in an abstract, sequential form, while pictures and concrete objects are encoded through an imagery channel that preserves spatial and perceptual detail. (C) When information engages both channels simultaneously, as when a textbook pairs a written explanation with an accompanying diagram, the resulting memory trace benefits from two separate, mutually reinforcing pathways of retrieval rather than just one. This redundancy explains the well-documented picture superiority effect, whereby concrete, easily visualized words tend to be recalled more accurately than abstract terms that resist mental imagery.

This finding is particularly striking given that the two groups of employees faced no difference whatsoever in the financial terms of the plan itself. Employers have long experimented with how retirement savings plans are presented to new hires. ( ① ) In one common arrangement, employees receive a form and must actively check a box to begin contributing a portion of their salary to a savings account. ( ② ) Under this opt-in arrangement, a substantial share of eligible employees never get around to enrolling, often citing simple procrastination rather than genuine disinterest in saving. ( ③ ) When employers instead enroll employees automatically and require them to check a box only if they wish to withdraw, participation rates climb to well over ninety percent. ( ④ ) Only the framing of the choice, not its economic substance, appears to determine whether employees end up saving for retirement. ( ⑤ ) This gap between the two arrangements reveals just how powerfully a default setting can shape decisions that people generally regard as carefully considered.

This is precisely because probability estimates, however precise, fail to address the emotional discomfort that uncertainty itself produces. Financial advisors frequently observe that detailed statistical evidence fails to ease anxious clients' urge to sell during a market downturn, even when the evidence is presented clearly and repeatedly. ( ① ) Clients may intellectually accept the statistics while still feeling a strong urge to sell immediately in order to escape the discomfort of continued uncertainty. ( ② ) Advisors who instead acknowledge the client's fear directly, validating it as a normal response before presenting the data, tend to achieve better outcomes. ( ③ ) This approach treats the emotional response as a legitimate factor to be addressed rather than an irrational obstacle to be argued away. ( ④ ) The most effective financial guidance, in other words, engages both the emotional and analytical dimensions of a decision simultaneously. ( ⑤ ) Ignoring either dimension, evidence suggests, leaves clients more likely to make impulsive decisions they later regret.