Exam 16: Analysis of Variance and Covariance

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The estimated value of ω2 can be negative,in which case the estimated value of ω2 is set equal to one.

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The null hypothesis for ANOVA typically is that all ________.

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________ are contrasts made after the analysis.

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The most commonly used measure in ANOVA indicating the relative importance of factors is omega squared, (ω2).

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ANOVA and ANCOVA include one independent variable and t tests include more than one independent variable.

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________ are used to examine differences among two or more means of the treatment groups.

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Which step are you on in the procedure for conducting one-way analysis of variance if you are decomposing SSy into two components using the equation SSy = SSbetween + SSwithin?

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In one-way analysis of variance,under the null hypothesis,SSx and SSerror come from different sources of variation.

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Which F test is used to test the significance of the overall effect?

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Analysis of covariance includes at least one ________ independent variable and at least one ________ independent variable.

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________ are contrasts that enable the researcher to construct generalized confidence intervals that can be used to make pairwise comparisons of all treatment means.

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The last step in the procedure for conducting one-way analysis of variance is to test the significance.

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________ is a measure of variation in Y that is explained by the independent variable X.

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How consumers' "intentions to buy the brand" varies with different price levels is best analyzed via ________.

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When using SPSS Windows one-way ANOVA can be efficiently performed using the ________ program.

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In examining the differences among means,one-way analysis of variance involves the decomposition of the total variation observed in the independent variable.

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ANOVA and ANCOVA can include more than one independent variable and at least one of the independent variables must be categorical.

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Analysis of covariance is most useful when the covariate is not linearly related to the dependent variable and is not related to the factors.

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Repeated measures analysis of variance may be thought of as an extension of the ________ to the case of more than two related samples.

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SSbetween is the portion of the sum of squares in Y related to the independent variable or factor X.

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