Category Archive for: Data Preparation

SPSS Windows

Using the Base module of SPSS out-of-range values can be selected using the SELECT IF command, These cases with the identifying information (subject ID. record number. variable name and variable value) can then be printed using the LIST or PRINT commands The PRINT command will save active cases to an external file. If a formatted list is…

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Transcribing

Transcribing data involves transferring the coded data from the questionnaires or coding sheets onto disks or directly into computers by keypunching or other means. If the data have been collected via computer-assisted telephone interviewing (CATI). computer-assisted personal interviewing (CAPI), or Internet surveys, this step is unnecessary because the data are entered directly into the computer as they are collected,…

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Developing a Data File

The code for a response to a question includes an indication of the column position field) and data record it will occupy, For example gender of respondents may be coded as I for females and 2 for males field represents a single variable value or item of data, such as the gender of a single respondent, Although numeric…

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The Data-Preparation Process

The data-preparation process is shown in Figure 14.1. The entire process is guided by the preliminary plan of data analysis that was formulated in the research design phase, The first step is to check for acceptable questionnaires, This is followed by editing. coding, and transcribing the data, The data are cleaned and a treatment for Missing responses prescribed.…

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Data Preparation

Project Research Data Preparation In the department store project, The data were obtained through in-home personal interviews, The supervisors edited the questionnaires as the interviewers turned them in, The questionnaires were checked for incomplete, inconsistent, and ambiguous responses. Questionnaires with unsatisfactory responses were returned to the field and the interviewers were asked to recontact the respondents 10 obtain…

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The Ethics of Downsizing

The effects of a softened economy in 2008 forced many U.S. companies to downsize. A study was recently conducted on the differences between employee and CEO perceptions on whether downsizing is ethical or not. A total of 410 surveys were mailed to employees of U.S. corporations and 231 completed surveys were returned, but 53 were…

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International Marketing Research

Before analyzing the data, the researcher should ensure that the units of measurement are comparable across countries or cultural units. For example, the data may have to be adjusted to establish currency equivalents or metric equivalents. Furthermore, standardization or normalization of the data may be necessary to make meaningful comparisons and achieve consistent results. A…

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Selecting a Data Analysis Strategy

The process of selecting a data analysis strategy is described. The selection of a data analysis strategy should be based on the earlier steps of the marketing research process. known characteristics of the data. properties of statistical techniques, and the background and philosophy of the researcher. Data analysis is not an end in itself. Its…

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Statistically Adjusting the Data

Procedures for statistically adjusting the data consist of weighting. variable respecification, and scale transformations. These adjustments are not always necessary but can enhance the quality of data analysis. Weighting  In weighting, each case or respondent the database is assigned a weight to reflect its importance relative to other cases or respondents. The value 1.0 represents…

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Scanning the Seas

A, of 2009. Princes, Cruises (www.themarketingresearch.com), pan of Carnival Corporation. annually carried more than a million passengers, Princess wished to know”, hat passengers thoughIof the cruise experience. but wanted to determine this information in a cost-effective way.A scannable questionnaire ‘”as de’ doped that allowed’the cruise line to quickly transcribe the data from thousands of sun,…

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