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Charter schools are independent public schools that are given greater autonomy in exchange for increased accountability. Charter school operators are freed from many of the regulations of the traditional public school bureaucracy, thereby allowing them to pursue more innovative educational ideas than non-charter public schools can pursue. At the same time, charter schools are held accountable for achieving specific educational outcomes and are closed down if those outcomes are not met.
Which of the following, if true, best supports the assertion that students attending charter schools will, on average, perform better on assessments of writing ability than students attending traditional public schools?
A. Students who attend schools that emphasize order and discipline perform worse on assessments of writing ability than students who attend schools that do not emphasize order and discipline.
B. The majority of students who score in the 99th percentile on assessments of writing ability attend charter schools.
C. Public schools that operate outside of the traditional public school bureaucracy spend more time teaching students writing than do traditional public schools.
D. Students who attend schools that are allowed to experiment with their writing curricula perform better on assessments of writing ability than students who attend schools that have less flexible curricula.
E. There are far more students attending non-charter public schools than students attending charter schools.
我可以理解D是对的，可是如果D是对的A为啥不可以呢？？感觉道理差不多呀，freed from regulation不就是可以推出do not emphasize order and discipline吗。。。。。
附上曼哈顿的解答：
The question asks for information that will support the conclusion that students attending charter schools will, on average, perform better on assessments of writing ability than students attending traditional public schools. The passage specifies that charter schools differ from non-charter public schools in that charter schools have more freedom to innovate and that they are held accountable for meeting specific educational outcomes. One way to support the conclusion is to demonstrate that one of the two differences cited between charter and non-charter public schools is somehow tied to higher performance on writing assessments.
(A) While the passage mentions that charter schools themselves are freed from many regulations, no information is presented about any difference in emphasis with respect to order and discipline between charter and non-charter public schools. As such, it is impossible to tell whether this information would support the conclusion in the question.
(B) This choice presents information only about those students who score at the very highest level of the writing assessments. However, this presents no information about the difference, on average, between all charter school students and non-charter public school students. It is possible, for example, that while the students who perform at the highest level on writing assessments are those who attend charter schools, on average non-charter public school students perform better.
(C) There is no necessary link between the amount of time spent teaching writing and student performance on writing assessments. For example, a good teacher who spends one hour teaching writing may have a more positive impact on student performance than a poor teacher who spends three hours teaching writing.
(D) CORRECT. The passage specifies that charter schools have more freedom to pursue innovative educational ideas than non-charter public schools. It follows that charter schools are allowed to experiment with their curricula to a greater degree than non-charter public schools. This choice links this difference to higher student achievement on assessments of writing ability.
(E) The number of students attending charter vs. non-charter schools has no bearing on the conclusion. The conclusion focused on student performance on average, thereby eliminating raw numbers of students as relevant to this measure. |
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发表于 2017-4-22 11:27:49
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