Homework Answers
a. A repeated measures ANOVA is used for a within subjects design. One way ANOVA is used for a between subjects design.
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A within-subjects design is to the whereas a between-subjects design is to the a. Repeated-measures ANOVA;...
1. What does the paired-samples t-test test for? 2. The paired-samples t-test utilizes a within-subjects design....
1. What does the paired-samples t-test test for? 2. The paired-samples t-test utilizes a within-subjects design. What is the main difference between a within-subjects design and a between subjects design? 3. What is the difference between a repeated measures and a matched design?
use the following ANOVA table for a repeated-measures design (Time is the repeated measure). Source SS...
use the following ANOVA table for a repeated-measures design (Time is the repeated measure). Source SS Df MS F Fcrit Between 28.8 4 7.2 Within Time 1.882 Error 27.3 8 3.4 Total 68.8 The mean square value for Time is: A: 6.4 B: 3.8 C: 12.8 D: 14.0
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe...
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe their differences in error variance? a. Within-subjects designs results in less error variance than between-groups. b. A within-subjects design results in more error variance than a between-groups design. C. A within-subjects design results in the same amount of error variance as a between-groups design d. There is no error variance in a within-subjects design, whereas a between- groups design does present some error variance....
An experimental design that contains both between-group and a repeated-measures variables and one continuous dependent variable...
An experimental design that contains both between-group and a repeated-measures variables and one continuous dependent variable is called a: a. Two-tailed test b. MANOVA design c. Mixed design d. One-tailed test
When assumptions are violated in repeated-measures ANOVA, a non-parametric test called Friedman’s ANOVA can be used...
When assumptions are violated in repeated-measures ANOVA, a non-parametric test called Friedman’s ANOVA can be used in which situations? a. For any repeated-measures ANOVA design. b. When you have only one independent variable. c. When you have two or more independent variables. d. Never for repeated-measures ANOVA.
psych experimental methods
A researcher is studying the average grade in PSY 468. Her null hypothesis is there is that the average grade is not different from 85%. The most appropriate test to analyze the results would be:Group of answer choicesa. A one-sample t-testb. An unpaired two-sample t-testc. A paired two-sample t-testd. A one-way ANOVAe. A repeated-measures ANOVAf. A two-way ANOVAg. A Pearson’s correlation testh. A chi square test for goodness of fiti. A chi square test for independence
contrasting a repeated measures research design with matched subjects and independent measures designs A graduate student...
contrasting a repeated measures research design with matched
subjects and independent measures designs
A graduate student is interested in whether journaling can affect grief and healing. She has participants who have been widowed within the past 10-14 months complete a battery of psychological questionnaires before and after journaling about their daily problems for 2 months. The first time the graduate student conducted this study, she used a repeated-measures design and compared the widows' and widowers' baseline scores with their scores...
For a repeated-measures ANOVA, which of the following is computed differently, compared to an independent-measures ANOVA?...
For a repeated-measures ANOVA, which of the following is computed differently, compared to an independent-measures ANOVA? a. total SS b. between treatment SS c. within treatment SS d. the denominator of the F ratio
State whether each of the following is an example of a between-subjects, mixed, or within-subjects two-way...
State whether each of the following is an example of a between-subjects, mixed, or within-subjects two-way ANOVA design. (a) A psychologist administers a small, medium, or large dose of a drug to a sample of mice (Factor A: drug dose) and measures reward-seeking behavior across three experimental trials (Factor B: trials). between-subjects design or mixed design or within-subjects design (b) An industrial organizational psychologist measures the GPA among men and women graduate students (Factor A: gender) with low, medium, or...
Question 44 For the one-way within-subjects ANOVA, the more ______ participant responding between groups, the less...
Question 44 For the one-way within-subjects ANOVA, the more ______ participant responding between groups, the less powerful the test will be at detecting an effect. a. inconsistent b. consistent c. efficient d. inefficient
6. Typically, when comparing a within-subjects design to a between-groups design which of the following describe their differences in error variance? a. Within-subjects designs results in less error variance than between-groups. b. A within-subjects design results in more error variance than a between-groups design. C. A within-subjects design results in the same amount of error variance as a between-groups design d. There is no error variance in a within-subjects design, whereas a between- groups design does present some error variance....
contrasting a repeated measures research design with matched
subjects and independent measures designs
A graduate student is interested in whether journaling can affect grief and healing. She has participants who have been widowed within the past 10-14 months complete a battery of psychological questionnaires before and after journaling about their daily problems for 2 months. The first time the graduate student conducted this study, she used a repeated-measures design and compared the widows' and widowers' baseline scores with their scores...
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