Exam 18: Determining and Interpreting Associations Among Variables

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Which of the following correlation coefficients would indicate a "moderate" association?

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You are an officer in your college's Student Marketing Association. You are looking for ways to ensure that members will join again the following year. Students tend to join for one semester or one year and then drop out. You decide to take a simple random sample of this year's members and give them a survey. One of the questions asks: Will you join the SMA next semester? Yes, No, Don't Know. Another question asks respondents to check all the following that they feel provides them with "value" by virtue of being in the SMA: free food at meetings, getting to socialize in a relaxed setting with fellow classmates, learning about businesses through the guest speaker program, getting job search information through the organization's "Career Search" program, and getting to know your professors on a more personal basis. You want to know which one(s)of these are related to whether or not students will join the SMA in the next semester. What analysis should you run?

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Row cell percentage is calculated by dividing a cell frequency by the cell row total.

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The degrees of freedom in chi-square are calculated by multiplying the rows, minus one times the columns, minus one.

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In order to run a chi-square test using SPSS, the proper command sequence is:

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The key to establishing a nonmonotonic relationship between two variables is determining if one is present (or absent)when the other is present (or absent).

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In the textbook you were given an example of running a chi-square test using SPSS. The output shows a "Pearson Chi-Square" value of 23.272 and df =7. This information alone means:

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When a consistent and systematic relationship is found between two variables, the linkage is:

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To use a correlation, you must first establish that it is statistically significant from one.

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If we determine a precise linear relationship between two variables, then by knowing the value of one variable we should be able to predict the other variable.

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Chi-square analysis is a form of a "goodness of fit" test.

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Which type of relationship is a "straight-line" relationship between two variables and for which allows us to know the knowledge of one variable if we have knowledge of the other?

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Covariation is defined as the amount of change in one variable systematically associated with a change in another variable.

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The advertising director in your firm announced her resignation this morning to take another job, and she is leaving this afternoon. Your boss has asked you to take charge of advertising. Unfortunately, you learn the former director was just beginning planning for an upcoming promotion of one of the company's new products. Your immediate decision is to determine a brand name for the product. As the former director leaves, she stops by to drop off some marketing research reports she had just received, which includes several tests on brand names that were proposed for the new brand. The research company tested 30 potential brand names. For each brand name, they collected data on a number of variables such as "intention to purchase" and "attitude toward the brand name." All these variables were collected using 5-point intensity continuum scales. Thus, all the variables possess an interval level of measurement. Just focusing on the two variables mentioned ("intention to purchase" and "attitude toward the brand name"), what type of analysis would you conduct to help you make the decision?

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When a scale has "labels" as opposed to "levels," we can normally assume the level of measurement is:

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A researcher runs a correlation analysis between two variables that she is certain are associated but the analysis indicates the two variables are not associated. The researcher may then want to:

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A cross-tabulation table is sometimes referred to as a:

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Cross-tabulation tables allow us to look at two variables simultaneously and are arranged in a row and column format.

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If you plotted data between two variables and the points all fell precisely in a straight line that was sloping upward to the right, your correlation coefficient would be equal to +1.0.

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Presence refers to the strength of a relationship between three or more variables.

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