One-way ANOVA Calculations Using VassarStats

Navigate the website in this order:

• Select ANOVA from side menu
• Select One-Way ANOVA from next page
• Enter Number of Samples, select Independent Samples
• Enter sample data into separate column for each sample
• Press “Calculate”
• Output you want consists of computed F-value, df, and p-value

10.5, Study I

F = 1.11 p-value = 0.345 F_.05 = 3.40 df = 2, 24 Accept H₀ at α = 5%

10.5, Study III

F = 8.82 p-value = 0.0021 F_.01 = 6.01 df = 2, 18 Reject H₀ at α = 1%

10.14, Study I

F = 14.53 p-value < 0.0001 F_.05 = 3.24 df = 3, 16 Reject H₀ at α = 5%

10.14, Study III

F = 3.92 p-value = 0.0257 F_.05 = 3.16 df = 3, 18 Reject H₀ at α = 5%

10.15, Study I

F = 4.44 p-value =0.0306 F_.05 = 3.68 df = 2, 15 Reject H₀ at α = 5%

10.15, Study III

F = 5.59 p-value =0.015 F_.05 = 3.68 df = 2, 15 Reject H₀ at α = 5%

10.16, Study I

F = 2.08 p-value =0.130 F_.01 = 4.72 df = 3, 24 Accept H₀ at α = 1%

10.16, Study III

F = 2.51 p-value =0.088 F_.01 = 4.94 df = 3, 20 Accept H₀ at α = 1%