Exam 13: Two Groups Too Many Try Analysis of Variance

When the research question calls for an examination of the differences in group means among three or more groups,which of the following would be the appropriate procedure?

A simple analysis of variance is used to study participants who are tested ______.

What is the F value?

When you perform multiple t tests,you increase the Type II error rate to higher than an acceptable rate.

When interpreting F_(2,57) = 10.80,p < 0.01,what is the between-groups df?

The next step after stating the null and research hypotheses in the computation of the F statistic is to do which of the following?

In a 5 × 4 factorial ANOVA design,how many possible group assignments for subjects are there?

Which of the following is the same as t² when examining the difference between two groups?

A researcher wants to create an intervention to improve the well-being of first-semester graduate students,so she gives one group of students specific doses of rocky road ice cream,the next group of students specific doses of licorice,and the third group of students specific doses of chewy fruit-flavored candies for their treatments.To analyze the differences in well-being between the types of treatment,she would use a(n)______.

In a 4 × 3 factorial design,how many levels of the second grouping factor are there?

An analysis of variance is termed "simple" because ______.

What is the MS_within value?

Variability within groups is due to which of the following?

What is a simple analysis of variance also called?

What is the sum of squares total?

The ANOVA is like an extension of the ______.

The simple analysis of variance,or one-way analysis of variance,includes only one factor or treatment variable in the analysis.

In order to increase the value of the F statistic,which of the following must occur?

Using ANOVA,a null hypothesis could look like ______.

The F ratio is a ratio of the variability between groups to the variability within groups.