Interpreting the Results of Wilcoxon

• How many participants were young offenders in the study?

  20 participants
• What type of questionnaire did the participants complete?

  A self-report questionnaire
• What was the maximum score possible on the questionnaire?

  50 points
• What was compared to determine the effectiveness of the anger management course?

  The scores before and after the course
• How many participants had a different score after the course?

  10 participants
• What type of hypothesis was used in the study?

  Non-directional (two-tailed)
• What was the calculated value of T?

  9
• What does N represent in the study?

  The number of participants with different scores
• What was the value of N in this study?

  10
• What is the level of significance for a one-tailed test at 5%?

  0.05
• What is the critical value at the 5% level for a two-tailed test?

  8
• What conclusion can be drawn if the calculated value is greater than the critical value?

  The findings are not significant
• What was the conclusion regarding the null hypothesis?

  It is accepted
• What does the acceptance of the null hypothesis imply about anger scores?

  No significant difference before and after
• What are the steps taken in the study regarding the anger management course?

  • Participants completed a self-report questionnaire
  • Scores were compared before and after the course
  • The hypothesis was non-directional (two-tailed)
  • A Wilcoxon test was conducted to analyze results
• What are the implications of the study's findings on anger management courses?

  • No significant difference in anger scores
  • Null hypothesis accepted
  • Indicates potential ineffectiveness of the course