Question: Compute an ANOVA (using a statistical analysis program) and evaluate the significance of the findings. Following that, present the data from the 4 x 2
Compute an ANOVA (using a statistical analysis program) and evaluate the significance of the findings. Following that, present the data from the 4 x 2 factorial experiment conducted by Bordens and Horowitz (1986). https://www.tandfonline.com/doi/abs/10.1207/s15324834basp0704_1
I recommend using either JASP jasp-stats.org or Vassar Stats http://www.vassarstats.net/Links to an external site. for this analysis. You will need to adjust how the data is set up.
Two IV - Charges Filed (4 levels) and Charges Judged (2 levels)
| One Charge Judged | |||
| One charge filed | Two charges filed | Three charges filed | Four charges filed |
| 3 | 5 | 6 | 2 |
| 3 | 4 | 3 | 4 |
| 3 | 4 | 4 | 5 |
| 4 | 4 | 4 | 5 |
| 4 | 5 | 5 | 5 |
| 3 | 3 | 5 | 5 |
| 2 | 3 | 4 | 5 |
| 5 | 4 | 5 | 4 |
| 6 | 4 | 3 | 6 |
| 5 | 5 | 4 | 6 |
| Two Charges Judged | |||
| One charge filed | Two charges filed | Three charges filed | Four charges filed |
| 6 | 3 | 4 | 5 |
| 4 | 5 | 6 | 5 |
| 4 | 5 | 4 | 5 |
| 5 | 5 | 5 | 6 |
| 4 | 4 | 5 | 5 |
| 5 | 5 | 4 | 4 |
| 5 | 4 | 4 | 5 |
| 3 | 5 | 5 | 5 |
| 3 | 5 | 5 | 6 |
| 5 | 3 | 6 | 6 |
Data file in Excel to be created by you!
- Compute a two-factor between-groups ANOVA using data provided and JASP.
- Determine whether the main effects and interaction are statistically significant at = 0.05.
- Conduct follow-up tests to determine the locus of the significant effects (e.g. post hoc tests) as needed and report on results.
Provide the ANOVA table and explain the following
- What do the values in the ANOVA table represent, and how are they used to determine statistical significance?
- How is a significant overall F ratio interpreted?
- How are follow-up post hoc tests conducted, and how are the results interpreted?
- What do the two significant main effects mean, in the context of a nonsignificant interaction?
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