Exam 14: Data Preparation

In ________,each case or respondent in the database is assigned a weight to reflect its importance relative to other cases or respondents.

In ________,also known as across-countries analysis,the data can be aggregated for each country and these aggregate statistics analyzed.

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

The ________ step of the data-preparation process consists of screening questionnaires to identify illegible,incomplete,inconsistent,or ambiguous responses.

Data collection,text coding and categorization,and text-mining and visualization are unique aspects of data preparation in social media.

You would use weighting under which circumstance?

________ is within-country analysis of international data.

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

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

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.

Dummy variables are also called all of the names below except ________.

At the editing stage,the researcher makes a preliminary check for consistency.

When utilizing univariate techniques,for nonmetric data,when there is (are)________,sign,McNemar,and Wilcoxon tests can be used.

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

________ involves the transformation of data to create variables or modify existing variables.

Responses can be logically inconsistent.

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

Square root and log transformations are seldom used in the respecification of variables.

Discuss the pros and cons of the various options for the treatment of missing responses.

Discuss data preparation and analysis in the context of mobile marketing research.