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  3. A close analogy to study design is the rough sketch made by an artist before he commits his vision to canvas. The broad outlines

A close analogy to study design is the rough sketch made by an artist before he commits his vision to canvas. The broad outlines

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问题     A close analogy to study design is the rough sketch made by an artist before he commits his vision to canvas. The broad outlines are drawn, the proper perspective achieved, and the total impact of the picture-to-be can be partially appreciated in advance. So it is with the design of research; it specifies in advance the kinds of statements that can be made on the basis of its findings and fix the perspectives against which these findings are to be evaluated.
    One major purpose of this study was to demonstrate whether or not the newer social research techniques could help in broadening and deepening knowledge concerning juvenile delinquency. Construction of the design was guided by this goal of exploring new methods in the analysis of juvenile delinquency. However, research technique developed in one content cannot be mechanically transferred to another. A new application of a research technique requires substantial changes and it is these innovative modifications that this study offers as its contribution.
    Juvenile delinquency has been the subject of many previous studies using a variety of research techniques. This study makes an additional contribution by using a design specially planned to permit a comparison of several approaches. The drawing up of the study design profited greatly from an extensive survey of previous researches on crime, undertaken during the earliest stage of the project. It was found that most studies could be classified as belonging study and personal motivation study.
    Each type has its characteristic design and mode of interpretation and each has produced information of considerable importance. Yet no attempt was made in any of the studies to integrate one or more of these three design types. It became apparent that one of the major contributions a pilot study could make to both method and substantive findings would be to bring all three study types together in one design for the purpose of correlating their findings and evaluating their relative importance in producing data of use to the practitioner.
The phrase "the project"(Paragraph 3)refers to______.
选项 A、an extensive research on crime
B、a foil exploration of research designs
C、an elaborate investigation into new techniques
D、a comprehensive research of juvenile delinquency
答案D
解析 第三段倒数第二行中“undertaken during the earliest stage of the project”是“an extensive surveyof previous researches on crime”的定语，而其中的crime具体指的就是青少年犯罪。
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