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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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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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