Exam 14: Making Use of Associations Tests

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Coffee orders at a restaurant are present at breakfast and soft drink orders are present at lunch.This is an example of a monotonic relationship.

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The owner of a shoe store knows that as children increase in age,their shoe size tends to get larger.This is an example of what type of relationship?

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The manager of the city's professional hockey team conducted a large survey.He wanted to know if there was an association between fans being "season ticket holders" versus "nonseason ticket holders" and whether they "bought" versus "didn't buy" hockey team merchandise at the game.Because his survey included these measurements,he used SPSS to run a Pearson product moment correlation coefficient that turned out to be .88 with a Sig.value of .001.This meant that:

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Which of the following is used when describing the general pattern of nonmonotonic relationships?

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Significant association relationships are always causal.

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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,df = 7 and the Asymp.Sig.= .002.This means:

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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.This value alone means:

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Let's assume we find in a study that the correlation coefficient between number of years of education and cigarette smoking is -.89.This means that as education level increases:

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

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If you are examining the SPSS output for Pearson correlation,you will find the value of "1" along the diagonal of the correlation matrix indicating that each variable is perfectly correlated with itself.

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There is no connection between scatter diagrams and correlation coefficients.

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In chi-square analysis,the greater the number of cells,the larger the degrees of freedom.The greater the number of cells,the more opportunity exists to calculate a large chi-square value.In other words,the chi-square value can be "inflated" not due to a real association but simply due to the fact that there are more cells in the analysis.This is why degrees of freedom are used to:

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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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Chi-square analysis always begins with the assumption that no association exists between the two nominal scaled variables under analysis.

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It is more difficult for a chi-square value with high degrees of freedom (i.e. ,there are more cells)to achieve "significance" than for a chi-square value with fewer degrees of freedom (i.e. ,there are fewer cells).

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

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Strength of association might be described as:

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Generally speaking,the chi-square value is calculated by dividing the sum of the squared differences between observed and expected frequencies by the expected frequencies.

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

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