The following appeared as part of a newspaper editorial. Two years ago Nova High School began to use interactive computer instruction in three academic subjects. The school dropout rate declined immediately， and last years graduates have reported some impressive achievements in college. In future budgets the school board should use a greater portion of the available funds to buy more computers， and all schools in the district should adopt interactive computer instruction throughout the curriculum. Discuss how well reasoned.。. etc.
Sample essay 1：
The argument that the school board should buy more computers and adopt interactive computer instruction is not entirely logically convincing， since it ignores certain crucial assumptions.
First， the argument assumes that the decline of school dropout and the achievements of last years graduates results from the adoption of interactive computer instruction. However， there are several reasons why this might not be true. For example， achievements could have been made in other subjects than the ones with interactive computer instruction. Or last years graduates might not have been given the interactive computer instruction. Or the decline of the rate of dropout could be attributed to stricter discipline applied last year.
Second， even supposing the Nova High Schools decline of the dropout and last years graduates achievements benefit directly from the usage of interactive computer instruction， the success of the instruction in one school may not ensure the success in other schools. If it does not suit other schools， the instruction will not work.
Finally， even if the decline of the rate of dropout and the achievements of the last years graduates are the direct results of the interactive computer instruction， we still do not know whether the school can afford to apply the instruction on all the subjects or to all the students. If the school does not have sufficient fund and has to cut budgets on other projects such as the library， the quality of the schools education will also compromise.
Thus， the argument is not completely sound. The evidence in support of the conclusion that the dropout rate declined and last years graduates made impressive achievements does little to prove the conclusion that other schools should use a greater portion of their funds to apply the instruction since it does not address the assumptions I have already raised. Ultimately， the argument might have been strengthened by making it clear that the decline of the dropout rate and the achievements of the graduates are the direct results of interactive computer instruction， that the instruction is also applicable to other schools in the district， and that the instruction is affordable to all the schools in the district.
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