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Researchers were randomly assigned the participants to one out of the three intervention conditions: 1) violent movie (VM) condition; 2) romantic movie (RM) condition, and; 3) control group condition. After the intervention, an agreeableness questionnaire was distributed to the participants. Researchers wanted to investigate the agreeableness levels between these three groups of participants after the intervention. a. What statistical test should be used to achieve the research objective? b. State the null and research hypothesis in word form. c. Refer to the SPSS output tables below, please interpret the research results (i.e., both ANOVA table and post-hoc comparisons) and report the relevant statistics as well. Agreeableness Violence movie (VM) Romantic movie Control group Total N 13 17 20 50 Mean 17.8462 26.5882 20.1000 21.7200 Agreeableness Based on Mean Based on Median Agreeableness Std. Deviation Std. Error 1.99358 55292 1.83912 44605 1.83246 40975 4.08102 57714 Between Groups Within Groups Total Based on Median and with adjusted df Based on trimmed mean Descriptives Test of Homogeneity of Variances Levene Statistic Sum of Squares 650.470 165.610 816.080 ANOVA df 2 95% Confidence Interval for Mean 47 49 Lower Bound 16.6414 25.6426 19.2424 20.5602 .049 .060 .060 042 df1 Mean Square 2 2 2 2 Upper Bound 19.0509 27.5338 20.9576 22.8798 df2 47 47 44.693 F 325.235 92.301 3.524 47 Sig. Minimum Maximum 15.00 21.00 24.00 30.00 16.00 23.00 15.00 30.00 Sig. 000 .952 .941 941 .959

Researchers were randomly assigned the participants to one out of the three intervention conditions: 1) violent movie (VM) condition; 2) romantic movie (RM) condition, and; 3) control group condition. After the intervention, an agreeableness questionnaire was distributed to the participants. Researchers wanted to investigate the agreeableness levels between these three groups of participants after the intervention. a. What statistical test should be used to achieve the research objective? b. State the null and research hypothesis in word form. c. Refer to the SPSS output tables below, please interpret the research results (i.e., both ANOVA table and post-hoc comparisons) and report the relevant statistics as well. Agreeableness Violence movie (VM) Romantic movie Control group Total N 13 17 20 50 Mean 17.8462 26.5882 20.1000 21.7200 Agreeableness Based on Mean Based on Median Agreeableness Std. Deviation Std. Error 1.99358 55292 1.83912 44605 1.83246 40975 4.08102 57714 Between Groups Within Groups Total Based on Median and with adjusted df Based on trimmed mean Descriptives Test of Homogeneity of Variances Levene Statistic Sum of Squares 650.470 165.610 816.080 ANOVA df 2 95% Confidence Interval for Mean 47 49 Lower Bound 16.6414 25.6426 19.2424 20.5602 .049 .060 .060 042 df1 Mean Square 2 2 2 2 Upper Bound 19.0509 27.5338 20.9576 22.8798 df2 47 47 44.693 F 325.235 92.301 3.524 47 Sig. Minimum Maximum 15.00 21.00 24.00 30.00 16.00 23.00 15.00 30.00 Sig. 000 .952 .941 941 .959

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Researchers were randomly assigned the participants to one out of the three intervention conditions: 1) violent movie (VM) condition; 2) romantic movie (RM) condition, and; 3) control group condition. After the intervention, an agreeableness questionnaire was distributed to the participants. Researchers wanted to investigate the agreeableness levels between these three groups of participants after the intervention. a. What statistical test should be used to achieve the research objective? b. State the null and research hypothesis in word form. c. Refer to the SPSS output tables below, please interpret the research results (i.e., both ANOVA table and post-hoc comparisons) and report the relevant statistics as well. Agreeableness Violence movie (VM) Romantic movie Control group Total N 13 17 20 50 Mean 17.8462 26.5882 20.1000 21.7200 Agreeableness Based on Mean Based on Median Agreeableness Std. Deviation Std. Error 1.99358 55292 1.83912 44605 1.83246 40975 4.08102 57714 Between Groups Within Groups Total Based on Median and with adjusted df Based on trimmed mean Descriptives Test of Homogeneity of Variances Levene Statistic Sum of Squares 650.470 165.610 816.080 ANOVA df 2 95% Confidence Interval for Mean 47 49 Lower Bound 16.6414 25.6426 19.2424 20.5602 .049 .060 .060 042 df1 Mean Square 2 2 2 2 Upper Bound 19.0509 27.5338 20.9576 22.8798 df2 47 47 44.693 F 325.235 92.301 3.524 47 Sig. Minimum Maximum 15.00 21.00 24.00 30.00 16.00 23.00 15.00 30.00 Sig. 000 .952 .941 941 .959
Transcribed Image Text:Researchers were randomly assigned the participants to one out of the three intervention conditions: 1) violent movie (VM) condition; 2) romantic movie (RM) condition, and; 3) control group condition. After the intervention, an agreeableness questionnaire was distributed to the participants. Researchers wanted to investigate the agreeableness levels between these three groups of participants after the intervention. a. What statistical test should be used to achieve the research objective? b. State the null and research hypothesis in word form. c. Refer to the SPSS output tables below, please interpret the research results (i.e., both ANOVA table and post-hoc comparisons) and report the relevant statistics as well. Agreeableness Violence movie (VM) Romantic movie Control group Total N 13 17 20 50 Mean 17.8462 26.5882 20.1000 21.7200 Agreeableness Based on Mean Based on Median Agreeableness Std. Deviation Std. Error 1.99358 55292 1.83912 44605 1.83246 40975 4.08102 57714 Between Groups Within Groups Total Based on Median and with adjusted df Based on trimmed mean Descriptives Test of Homogeneity of Variances Levene Statistic Sum of Squares 650.470 165.610 816.080 ANOVA df 2 95% Confidence Interval for Mean 47 49 Lower Bound 16.6414 25.6426 19.2424 20.5602 .049 .060 .060 042 df1 Mean Square 2 2 2 2 Upper Bound 19.0509 27.5338 20.9576 22.8798 df2 47 47 44.693 F 325.235 92.301 3.524 47 Sig. Minimum Maximum 15.00 21.00 24.00 30.00 16.00 23.00 15.00 30.00 Sig. 000 .952 .941 941 .959
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