Exam 13: Data Processing, Data Analysis, and Statistical Testing

____________ is the process of ascertaining that questionnaires were filled out properly and completely.

Which of the following is not a measure of dispersion?

_____________ is a form of data entry in which responses on questionnaires are read in automatically by the data entry device.

Open-ended questions are often necessary even in surveys whose major objective is to produce quantitative data. Given the open-ended responses below, which answers would you discard? QUESTION: What do you like about McDonald's French Fries compared to other restaurant French fries? Responses: I like that they are 1) Saltier 2) Crisper 3) Fresher and hotter 4) Crunchy 5) I don't eat them 6) I don't like them 7) Burger King's are better 8) Depends on when they were cooked 9) Super sized 10) Salty 11) Messy 12) Hot 13) Crunchy 14) Greasy 15) Ewww

The mode of a distribution of responses is the middle response in the distribution, meaning half of the responses are larger and half of the responses are smaller than the mode.

If the research firm is validating questionnaires by phone, they will want to make sure__________________.

Reviewing questionnaires to make sure all the questions have been answered is part of the data entry step.

During validation, the researcher confirms that a question wasn't answered. All respondents should have answered the question and there is no way to contact the respondent. What will the researcher do?

Data entry must always be done manually.

If an interviewer did not properly follow skip patterns specified in a questionnaire, the ______________ step in data analysis would reveal the problem.

The coding step pertains to only closed-ended responses on questionnaires.

Pie charts are useful for depicting changes over time.

Which of the following graphic representation is the most visually pleasing for presenting cross tabulation information?

The quality control aspect of the data analysis procedure refers to:

A common way of setting up cross-tabulation is to use columns to represent factors such as demographics and lifestyle characteristics, which are expected to be predictors of the state of mind, behavior, or intentions data, shown as rows of the table.

If we conclude that the average weekly amount of soft drink consumption by males and females is about the same, but that the standard deviation among males is greater than that for females, what would this mean?

The person doing the editing must accept all responses to open-ended questions.

The sum of the values for all observations of a variable divided by the number of observations.

Logical or machine cleaning of data is done with the assistance of computer programs.

The TextSmart module of SPSS is not an example of the new breed of automated coding systems.