Exam 14: Data Preparation

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requires that the data from each respondent be analyzed separately.

(Multiple Choice)
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The purpose of respecification is to create variables that are consistent with the objectives of the study.

(True/False)
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Which option for the treatment of missing values involves cases, or respondents, with any missing responses being discarded from the analysis?

(Multiple Choice)
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Unsatisfactory respondents may differ from satisfactory respondents in systematic ways, and the decision to designate a respondent as unsatisfactory may be subjective. Both of these factors bias the results.

(True/False)
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The effect of is to increase or decrease the number of cases in the sample that possess certain characteristics.

(Multiple Choice)
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are suitable for analyzing data when there are two or more measurements of each element and the variables are analyzed simultaneously.

(Multiple Choice)
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If the data have been collected via _ , transcribing data is unnecessary because the data are entered directly into the computer.

(Multiple Choice)
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involves the transformation of data to create variables or modify existing variables.

(Multiple Choice)
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The data- preparation process begins after the fieldwork is done.

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When respecifying a categorical variable with K categories, only K - 1 dummy variables are needed because only K - 1 categories are independent.

(True/False)
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For multivariate statistical techniques, when there is _, cross- tabulation, analysis of variance and covariance, regression, two- group discriminant analysis, and conjoint analysis can be used.

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If quotas or cell group sizes have not been met, additional interviews should be conducted in the underrepresented cells before the data are edited.

(True/False)
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Which statement is not true about standardization?

(Multiple Choice)
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Responses can be logically inconsistent.

(True/False)
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Data that are interval or ratio in nature are _ .

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

(True/False)
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How would you represent consumer preferences for frozen foods as dummy variables if the respondents were classified as heavy, medium, light, nonusers?

(Essay)
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Explain the difference between univariate and multivariate techniques.

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Univariate techniques can be classified based on whether the data are metric or nonmetric.

(True/False)
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Write an example question and its associated coding for (1) a structured question that allows only a single response with less than nine possible choices and (2) a structured question that permits multiple responses.

(Essay)
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