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? (2 marks)
b. State the null and research hypothesis in word form. (4 marks)
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. (12 marks)
Fig: 1
Fig: 2