Reading Item Where the Detail Is True but the Answer Is Wrong
On the AP Reading section, students read a short article about a city's new bike-share program. The article states: 'El programa, lanzado en marzo, cuenta con 400 bicicletas en 50 estaciones. Aunque la acogida inicial fue entusiasta, el ayuntamiento reconoce que la cobertura en barrios periféricos sigue siendo insuficiente y estudia ampliar el servicio el próximo año.' The question asks: ¿Cuál es la idea principal del artículo? Choices: (A) El programa se lanzó en marzo con 400 bicicletas. (B) El programa tuvo buena acogida pero aún no cubre toda la ciudad y se planea ampliarlo. (C) El ayuntamiento cancelará el programa por falta de cobertura. (D) Los barrios periféricos rechazaron el programa. Sofía reads carefully, sees '400 bicicletas' in choice (A), confirms it is stated in the text, and selects (A).
1. Choice (A) is factually true according to the text. Why is it still wrong for this question?
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Because the question asks for the idea principal, not a detail. (A) is a true supporting fact but captures only the launch logistics; it omits the article's central tension - enthusiastic reception versus insufficient peripheral coverage and a planned expansion. A main-idea item rewards the option that subsumes the whole passage, not one that is merely verifiable. Sofía's error is a true-but-too-narrow trap: she validated a detail and stopped, without asking whether it represents the passage's point. Verifying that a statement appears in the text is necessary but not sufficient; the answer must also match the scope of the question.
2. Evaluate (C) and (D) as distractors. What textual cues make them wrong?
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(C) claims the program will be canceled - but the text says the city 'estudia ampliar el servicio' (is studying expansion), the opposite. This is a polarity/action reversal trap. (D) claims peripheral neighborhoods rejected the program - but the text says coverage there is 'insuficiente,' a statement about supply, not resident rejection. The text never reports a rejection. This is an unsupported inference trap: students import a plausible-sounding cause (if coverage is poor, residents must be unhappy) that the text does not state. Both distractors recycle real words ('cobertura,' 'barrios periféricos') to seem grounded while distorting the claim.
3. What procedure should Sofía follow on every main-idea item to avoid this trap?
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She should predict the main idea before reading the choices - here: 'popular but incomplete, with expansion planned' - then match choices to her prediction rather than testing each against the text. When a choice is verifiable (like A), she must still ask: 'Does this cover the whole passage, or just one sentence?' A useful test: if removing that sentence would leave the passage's point intact, the option is a detail, not the main idea. She should also name the trap for each distractor (reversal, unsupported inference, too narrow) - labeling reduces the pull of familiar words. Finally, she should confirm the correct choice accounts for both the positive reception and the coverage gap.