Results

Descriptive Statistics

Descriptive Statistics
  Start Month1 Month2
Valid 10 10 10
Missing 0 0 0
Mean 78.054 77.464 77.067
Std. Deviation 20.230 18.615 16.106
Shapiro-Wilk 0.784 0.685 0.877
P-value of Shapiro-Wilk 0.009 < .001 0.121
Minimum 62.011 65.384 55.431
Maximum 120.464 119.964 114.259

Repeated Measures ANOVA

Within Subjects Effects
Cases Sum of Squares df Mean Square F p
Time 4.939 ᵃ 2 ᵃ 2.469 ᵃ 0.056 ᵃ 0.946 ᵃ
Residuals 800.341 18 44.463  
Note.  Type III Sum of Squares
ᵃ Mauchly's test of sphericity indicates that the assumption of sphericity is violated (p < .05).
Between Subjects Effects
Cases Sum of Squares df Mean Square F p
Residuals 8336.300 9 926.256  
Note.  Type III Sum of Squares

Descriptives

Descriptives
Time N Mean SD SE Coefficient of variation
Start 10 78.054 20.230 6.397 0.259
Month 1 10 77.464 18.615 5.887 0.240
Month 2 10 77.067 16.106 5.093 0.209

Raincloud plots

Dependent

Assumption Checks

Q-Q Plot

Nonparametrics

Friedman Test
Factor Χ²F df p Kendall's W
Time 0.200 2 0.905 0.010

Conover Test

Conover's Post Hoc Comparisons - Time
    T-Stat df Wi Wj rrb p pbonf pholm
Start Month 1 0.213 18 19.000 20.000 0.018 0.834 1.000 1.000
  Month 2 0.426 18 19.000 21.000 0.091 0.675 1.000 1.000
Month 1 Month 2 0.213 18 20.000 21.000 0.055 0.834 1.000 1.000
Note.  Grouped by subject.
Note.  Rank-biserial correlation based on individual signed-rank tests.