Exam 14: Data Preparation

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"

________ are appropriate when there is a single measurement of each element in the sample,or there are several measurements of each element but each variable is analyzed in isolation.

The data preparation process begins after the fieldwork is done.

Respondents have been asked to express their degree of agreement with a series of lifestyle statements on a 1-to-5 scale,assuming that 9 has been designated for missing values,data values of 0,6,7,and 8 are out of range.Where in the data-preparation process might any out-of-range data be caught?

When utilizing univariate techniques,for the purpose of analysis,data pertaining to different groups of respondents,e.g. ,males and females,are generally treated as ________ samples while the samples are ________ when the data for the two samples relate to the same group of respondents.

Which option for the treatment of missing values involves the researcher using only cases or respondents with complete responses for each calculation?

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

Which of the following is not a step in the data-preparation process?

The objective of this level of analysis is to assess the comparability of findings from one country to another.

________ 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.

When doing international research,differences in means,differences in distribution,and differences in variance should be assessed.

Treatment of missing responses poses problems,particularly if the proportion of missing responses is more than 10 percent.

________ is a multivariate dependence technique with more than one dependent variable.

When utilizing univariate techniques,for metric data,when there is (are)________,one-way analysis of variance (one-way ANOVA)can be used.

To standardize a scale $x _ { i }$ ,we first subtract the mean, $\bar { x } ,$ from each score and divide by the standard error, $s _ { \bar { X } }$ ,

SPSS Data Entry allows you to verify that respondents have answered completely by setting rules.These rules can be used on existing datasets to validate and check the data only of questionnaires that were constructed in Data Entry.

When utilizing univariate techniques,for metric data,when there is (are)________,the paired t test can be used.

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

Univariate techniques can be classified as dependence techniques or interdependence techniques.

List the procedures for statistically adjusting data and briefly discuss the uses for each.