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3. Repeated-measures and matched-subjects experiments Aa Aa Repeated-measures experiments measure the same set of research participants...
3. Identifying the sample size from the degrees of freedom Aa Aa E A matched-subjects experiment...
3. Identifying the sample size from the degrees of freedom Aa Aa E A matched-subjects experiment produced at statistic with a df of 17. How many subjects participated in this study? O O O O 18 36 34 17 For a repeated-measures experiment comparing two treatment conditions, the t statistic has a df of 11. How many subjects participated in this study? 12 24 ОООО O 22 O 11 Flash Player MAC 32,0,0,270 Q3 3.34.1 © 2004-2016 Aplia. All rights...
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...
9. Gravetter/Wallnau/Forzano, Essentials Chapter 11 End-of-chapter question 22 Explain the difference between a matched-subjects design and...
9. Gravetter/Wallnau/Forzano, Essentials Chapter 11 End-of-chapter question 22 Explain the difference between a matched-subjects design and a repeated-measures design. In a repeated-measures design, the same subjects are used in both treatment conditions. In a matched-subjects design, each subject in one sample has a corresponding subject in the other sample with respect to a specific variable other than the treatment the treatment condition a specific variable other than the treatment
True or False 4. The formula used in repeated-measures t statistic Is used with a matched-subjects...
True or False 4. The formula used in repeated-measures t statistic Is used with a matched-subjects design even though the design uses two separate samples. .One advantage of a repeated-measures design is that it typically requires owa nts than an independent-measures design. When computing difference scores' (D values) the sign of the difference(+or-'s not nt. You need to record only the size of the difference. Power is 14. To get a big effect size, you should increase N. Power analysis...
7. An advantage of the matched groups research design is that it: provides a less ambiguous interpretation of the results than the repeated measures design. has more statistical power th...
7. An advantage of the matched groups research design is that it: provides a less ambiguous interpretation of the results than the repeated measures design. has more statistical power than the between-groups design with random assignment. requires fewer research subjects than the repeated measures design. has more statistical power than the repeated measures design. 8. One way to increase the statistical power within a between-groups design is to: have each participant contribute two data points per condition. match participants on...
1. The following data represent the results from an independent-measures experiment comparing three treatment conditions. Use an analysis...
1. The following data represent the results from an independent-measures experiment comparing three treatment conditions. Use an analysis of variance with α = .05 to determine whether these data are sufficient to conclude that there are significant differences between the treatments. You do not need to do post-hoc tests. Treatments 1 2 3 2 6 6 N = 12 4 6 10 G = 60 2 2 10 ∑X2 = 408 0 6 6 T = 8 T = 20 T = 32 SS = 8 SS = 12 SS = 16 2. A researcher reports an F-ratio with df =...
An independent-measures study comparing two treatment conditions produces a t statistic with df = 18. If...
An independent-measures study comparing two treatment conditions produces a t statistic with df = 18. If the two samples are the same size, how many participants were in each of the samples? a) 9 b) 10 c) 19 d) 20
5. A step-by-step hypothesis test for a repeated-measures design Aa Aa E Consider the following data...
5. A step-by-step hypothesis test for a repeated-measures design Aa Aa E Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis Ho: Wp = 0 (the null hypothesis states that the mean difference for the general population is zero). The data consist of five observations, each with two measurements, A and B, taken before and after a treatment. Assume the population of the differences in these measurements are...
A research report describing the results from a repeated-measures study states: The data show no significant...
A research report describing the results from a repeated-measures study states: The data show no significant difference between the two treatments, t(10) = 1.65, p > .05. Based on this report, you can conclude that a total of _____ individuals participated in the research study . Please provide details. 9 10 11 12
Statistics Exam 2 (1) Compatibility Mode Layout References Mailings ReviewView HelpTell me what you want to...
Statistics Exam 2 (1) Compatibility Mode Layout References Mailings ReviewView HelpTell me what you want to do A-e. A.|ー 1,-. Isa-B. ||1Normal 1No Spac Heading 1 Heading 2 Title Paragraph Styles a matched-subjects design d. all of the above would require the same number of subjects 22. For an experiment comparing two treatment conditions, an independent-measures design would obtain score(s) for each subject and a repeated-measures design would obtainscore(s) for each subject a. 1, 1 b. 1,2 c. 2,1 d....
3. Identifying the sample size from the degrees of freedom Aa Aa E A matched-subjects experiment produced at statistic with a df of 17. How many subjects participated in this study? O O O O 18 36 34 17 For a repeated-measures experiment comparing two treatment conditions, the t statistic has a df of 11. How many subjects participated in this study? 12 24 ОООО O 22 O 11 Flash Player MAC 32,0,0,270 Q3 3.34.1 © 2004-2016 Aplia. All rights...
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...
9. Gravetter/Wallnau/Forzano, Essentials Chapter 11 End-of-chapter question 22 Explain the difference between a matched-subjects design and a repeated-measures design. In a repeated-measures design, the same subjects are used in both treatment conditions. In a matched-subjects design, each subject in one sample has a corresponding subject in the other sample with respect to a specific variable other than the treatment the treatment condition a specific variable other than the treatment
True or False 4. The formula used in repeated-measures t statistic Is used with a matched-subjects design even though the design uses two separate samples. .One advantage of a repeated-measures design is that it typically requires owa nts than an independent-measures design. When computing difference scores' (D values) the sign of the difference(+or-'s not nt. You need to record only the size of the difference. Power is 14. To get a big effect size, you should increase N. Power analysis...
5. A step-by-step hypothesis test for a repeated-measures design Aa Aa E Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis Ho: Wp = 0 (the null hypothesis states that the mean difference for the general population is zero). The data consist of five observations, each with two measurements, A and B, taken before and after a treatment. Assume the population of the differences in these measurements are...
Statistics Exam 2 (1) Compatibility Mode Layout References Mailings ReviewView HelpTell me what you want to do A-e. A.|ー 1,-. Isa-B. ||1Normal 1No Spac Heading 1 Heading 2 Title Paragraph Styles a matched-subjects design d. all of the above would require the same number of subjects 22. For an experiment comparing two treatment conditions, an independent-measures design would obtain score(s) for each subject and a repeated-measures design would obtainscore(s) for each subject a. 1, 1 b. 1,2 c. 2,1 d....
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