Mod2Les4

In a between-groups design, we are...
Assessing differences between different groups of subjects
Assessing differences across time within the same group of subjects
Assessing differences between and within different groups of subjects
Assessing differences across two or more variables
In a within-groups design, we are...
Assessing differences across time within the same group of subjects
Assessing differences between and within different groups of subjects
Assessing differences across two or more variables
Assessing differences between different groups of subjects
Which of the following is the right way to state a research question comparing mean scores across three or more time periods on a continuous measure?
Is there a time effect on textbook sales across three time periods?
Is there a difference in textbook sales across three time periods (quarter 1, 2, and 3)?
Do textbook sales differ from time 1, time 2, and time 3?
All of these options
When comparing three or more time periods on some continuous measure, the independent variable is...
Nominal or ordinal scale
Nominal or interval scale
Ordinal or ratio scale
Ratio or nominal scale
When comparing three or more time periods on some continuous measure, the dependent variable is...
Interval or ratio scale
Nominal or interval scale
Ratio or ordinal scale
Ratio or nominal scale
The statistical test used to compare three or more time periods on a continuous variable is...
Repeated Measures ANOVA
One-way ANOVA
Factorial ANOVA
Mixed Design ANOVA
A reason why this particular ANOVA is used is because...
The three or more time periods being compared consist of the same people
The three or more time periods being compared consist of different people
The thee or more time periods being compared are samples from two different populations
Measurements are being taken across 2 or more time periods among the same people
Does adopting a vegetarian diet effect cholesterol levels across 1, 3, and 12 month periods?
Time - independent; cholesterol level – dependent
1, 3, 12 months - dependent; cholesterol level - independent
Time - dependent; cholesterol level – independent
1, 3, 12 months - independent; cholesterol level – dependent
Is there a change in grades from first, second, and third semesters after receiving tutoring help after the first semester?
Time - independent; grades – dependent
First, second, third semester - independent; grades – dependent
Time - dependent ; grades – independent
First, second, third semester - dependent; grades – independent
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