Reading Lab: Evaluating Complex Arguments in Policy Debates

Mapping Extended Arguments

Recognizing Concealed Assumptions

Counterargument and Rebuttal

Read the passage: "The city council should require all new apartment buildings to include a fixed share of units priced below market rate. The case for the rule begins with community stability. A study of twelve cities found that mixed-income buildings produce stronger neighborhood ties and lower crime than segregated developments, and every resident benefits when a building houses teachers, nurses, and retail workers alongside higher-earning neighbors. Enrollment at nearby schools also steadied in districts where mixed-income housing expanded, which school officials attributed to families staying in place longer rather than moving when leases rose. The rule is enforceable. Developers will comply because construction permits already depend on council approval, and the projected revenue from the market-rate units will cover the costs of the affordable ones. Council staff estimate the requirement would add roughly 300 below-market units per year across the city, concentrated near transit lines where construction is already dense. Experience elsewhere is reassuring: cities that adopted similar rules saw rents stabilize in surrounding blocks within three years, and not one of the twelve cities in the stability study has repealed its requirement since adoption. The council votes next month, and voters deserve housing policy built on evidence rather than on fear of change." Which statement best identifies the argument's key unstated assumption?

Read the passage: "The debate over the downtown bus lane has produced more heat than sense. Opponents of the lane want you to believe that cars should be banned from the city center entirely. They imagine a future where delivery trucks disappear, where parents cannot reach school pickup, and where every commuter pedals through the snow in business clothes. Their vision would strand elderly residents at home, cripple small businesses that depend on customer parking, and turn our main street into a monument to ideology. Supporters of the bus lane refuse to engage with these realities, and their silence tells you everything. When a plan's backers will not defend its consequences, the public should draw its own conclusions. A serious city plans for everyone, drivers and riders alike. That is why the transit committee's modest proposal deserves support: one dedicated lane on one avenue, serving forty buses an hour during peak periods, with loading zones preserved on every cross street and delivery access maintained before nine in the morning. Forty percent of current downtown traffic already consists of single-occupancy vehicles covering trips shorter than three kilometers, trips that buses could absorb without forcing anyone onto a bicycle. The lane is a small adjustment to how one street moves people, not a war on the car." The writer's response to the bus lane opponents is flawed primarily because it does what?

Read the passage: "The regional library system should extend weekend hours at its branch locations, and the case rests on three independent grounds. The first reason is access. A patron survey of 4,800 cardholders showed that thirty-eight percent of visitors can only come on Saturdays or Sundays, and circulation at the three branches that piloted Sunday hours rose twenty-two percent in one year, with no corresponding rise at branches that kept weekday-only schedules. The second reason is equity. Branches in lower-income neighborhoods saw the largest circulation gains during the pilot, sometimes exceeding thirty percent, and weekend hours would put library access on equal footing for workers whose employers set weekday schedules they cannot change. Librarians at pilot branches also reported that weekend visitors included disproportionate numbers of new immigrants using job-search and language materials, a pattern the weekday survey never captured. The third reason is cost. The pilot's staffing expense came in under budget because volunteers covered forty percent of the extra shifts, and neighboring counties fund similar schedules at comparable cost per operating hour, with two counties reporting no increase in local taxes since their programs began. None of these grounds alone would settle the question, but together they show a modest change with measured benefits across access, fairness, and budget." Which option correctly maps the evidence chain?

Complete the sentence: "An argument that misrepresents an opposing view in a weakened or exaggerated form so that it becomes easier to attack commits the ____ fallacy."