Exam 14: Data Preparation

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When setting up the code book for a questionnaire, you would allow 2 columns to code the response to the question "Do you have a valid passport? 1.yes 2.no"

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________ is the assignment of a code to represent a specific response to a specific question along with the data record and column position that code will occupy.

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________ utilizes questions that appear on a computerized gridpad. The responses are recorded directly into the computer using a sensing device.

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You would use scale transformation under which circumstance?

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Univariate techniques can be classified based on ________.

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________ are statistical techniques that attempt to group data based on underlying similarity, and thus allow for interpretation of the data structures. No distinction is made as to which variables are dependent and which are independent.

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When utilizing weighting, categories underrepresented in the sample receive lower weights, whereas overrepresented categories receive higher weights.

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Which option for the treatment of missing values involves the researcher using the respondents' pattern of responses to calculate a suitable response to the missing questions?

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Data that are interval or ratio in nature are ________.

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The effect of weighting is to increase or to decrease the number of cases in the sample that possess certain characteristics.

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A codebook contains coding instructions and the necessary information about variables in the data set. It guides the coders in their work and helps the researcher to properly identify and locate the variables.

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In interdependence techniques, the variables are classified as dependent or independent.

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The selection of data-transcription method is guided by the type of interviewing method used and the availability of equipment.

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Missing value codes should be distinct from the codes assigned to the legitimate responses.

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Given the time and cost constraints, as well as the fact that experienced keypunch operators are quite accurate, it is sufficient to verify only 15-25 percent of the data entered by keypunching.

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Information useful for formulating a data analysis strategy is not readily available on the internet.

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________ involves a manipulation of scale values to ensure comparability with other scales or otherwise make the data suitable for analysis.

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When conducting international marketing research, enough data must be obtained from each individual to allow analysis at the individual level.

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________ involves transferring the coded data from the questionnaires or coding sheets onto disks or magnetic tapes, or directly into computers by keypunching.

(Multiple Choice)
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When utilizing univariate techniques, the samples are ________ if they are drawn randomly from different populations.

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