Exam 14: Data Preparation

________ require(s)responses to be recorded with a special pencil in a pre-designated area coded for that response.

The data-preparation process is guided by the preliminary plan of data that was formulated in the research design phase.

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

When using univariate techniques,the number of samples is determined based on how the data are treated for the purpose of analysis,not based on how the data were collected.

In Excel the ________ statement can be used to make a logical check.

In ________,also known as across-countries analysis,the data of all the respondents can be pooled and analyzed.

The use of dummy variables refers to a respecification procedure using variables that take on only two values,usually 0 or 1.

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

The data preparation process begins after the fieldwork is done.

________ 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.

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.

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

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

For multivariate statistical techniques,when there is ________,cluster analysis and multidimensional scaling can be used.

An important variable respecification procedure involves the use of dummy variables.

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

The major technique for examining variable interdependence is factor analysis.

A codebook generally contains all of the following information except ________.

Metric data are measured on a nominal or ordinal scale.