A 2 (Cafe) by 2 (Period) ANOVA indicates that this change is marginally statistically significant (Main Effect of Cafe: F (1, 2146) = 4.73, p = .030, η 2 = 0.002; Main Effect of Period: F (1, 2146) = 10.02, p = .002, η 2 = 0.005; Interaction: F (1, 2146) = 2.97, p = .085, η 2 = 0.001).
1
0.0300
0.0300