Download e-book for kindle: Data Management: Databases and Organizations by Richard T. Watson

By Richard T. Watson

A balanced remedy of the technical and company aspects of dealing with info. administration of knowledge hasn't ever been extra serious for corporations of any dimension. This e-book discusses the technical features of database layout and implementation in addition to the why and the way of the administration of databases, and the managerial matters and company philosophy in the back of databases. the recent version covers organizational intelligence structures, together with info warehousing, info mining, OLAP, and multidimensional databases, in addition to client/server and net know-how.

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Modifying words such as 'only, ' 'just, ' 'merely' - these should be used with moderation. • Words having more than one meaning. • Loaded words (e. , 'democratic, ' 'modem, ' 'natural, ' 'free, ' etc. ), because they may elicit an emotional reaction that may bias the answer. It is also obvious that loaded questions such as "Isn't it reasonable to suppose that... " or ''Don't you believe that... " are likely to bias the respondent toward giving a desired answer and should be rephrased in a neutral way.

For example, students might be asked to mark all the adjectives in a list of personality characteristics that describe their teacher. This evaluation would, then, yield a score for the teacher on each characteristic, indicating how many raters checked the particular adjective; that is, the person's score on each item can be set equal to the number of judges who checked it. In the teacher's case, a score of '0' on the 'fairness' item would mean that nobody thinks that the teacher is fair (which would be problematic).

36 QUESTIONNAIRES IN SECOND LANGUAGE RESEARCH 2. 4. 1 Rating scales Ratings scales are undoubtedly the most popular items in research questionnaires. They require the respondent to make an evaluative judgement of the target by marking one of a series of categories organized into a scale. (Note that the term 'scale' has, unfortunately, two meanings in measurement theory: one referring to a cluster of items measuring the same thing - cf. Section 2. 3. 2 on 'multi-item scales' - and the other, discussed in this section, referring to a measurement procedure utilizing an ordered series of response categories.

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