Results

Descriptive Statistics: Overall

Descriptive Statistics
  Happiness Puppy love
Valid 30 30
Missing 0 0
Mean 4.367 2.733
Std. Deviation 1.956 1.856
Minimum 2.000 0.000
Maximum 9.000 7.000

Descriptive Statistics: Per Group

Descriptive Statistics
Happiness
Puppy love
  No puppies 15 mins 30 mins No puppies 15 mins 30 mins
Valid 9 8 13 9 8 13
Missing 0 0 0 0 0 0
Mean 3.222 4.875 4.846 3.444 3.125 2.000
Std. Deviation 1.787 1.458 2.115 2.068 1.727 1.633
Minimum 2.000 3.000 2.000 1.000 1.000 0.000
Maximum 7.000 7.000 9.000 7.000 6.000 5.000

ANOVA: Independence

ANOVA - Puppy love
Cases Sum of Squares df Mean Square F p
Dose 12.769 2 6.385 1.979 0.158
Residuals 87.097 27 3.226  
Note.  Type III Sum of Squares

ANOVA: No Covariate

ANCOVA - Happiness
95% CI for ω²
Cases Sum of Squares df Mean Square F p ω² Lower Upper
Dose 16.844 2 8.422 2.416 0.108 0.086 0.000 0.296
Residuals 94.123 27 3.486  
Note.  Type III Sum of Squares

ANCOVA

ANCOVA - Happiness
95% CI for ω²ₚ
Cases Sum of Squares df Mean Square F p ω²ₚ Lower Upper
Dose 25.185 2 12.593 4.142 0.027 0.173 0.000 0.406
Puppy love 15.076 1 15.076 4.959 0.035 0.117 0.000 0.364
Residuals 79.047 26 3.040  
Note.  Type III Sum of Squares

Descriptives

Descriptives - Happiness
Dose N Mean SD SE Coefficient of variation
No puppies 9 3.222 1.787 0.596 0.555
15 mins 8 4.875 1.458 0.515 0.299
30 mins 13 4.846 2.115 0.587 0.436

Descriptives plots

Puppy love - Happiness

Assumption Checks

Q-Q Plot

Marginal Means

Bootstrapped Marginal Means - Dose
95% bca† CI
Dose Marginal Mean bias Lower Upper SE
No puppies 2.882 -0.003 2.309 4.107 0.416
15 mins 4.711 0.014 4.065 5.598 0.389
30 mins 5.156 0.012 4.100 6.392 0.591
† Bias corrected accelerated.
Note.  Bootstrapping based on 1000 replicates.
Note.  Marginal Means estimate is based on the median of the bootstrap distribution.

Contrast Tables

Simple Contrast - Dose
95% CI for Mean Difference 95% CI for Cohen's d
Comparison Estimate Lower Upper SE df t p Cohen's d Lower Upper
15 mins - No puppies 1.786 0.040 3.532 0.849 26 2.102 0.045 1.024 -0.019 2.067
30 mins - No puppies 2.225 0.575 3.875 0.803 26 2.771 0.010 1.276 0.262 2.290

Post Hoc Tests

Standard (LSD)

Bootstrapped Post Hoc Comparisons - Dose
95% bca† CI 95% CI for Cohen's d
Mean Difference Lower Upper SE bias t Cohen's d Lower Upper ptukey psidak
No puppies 15 mins -1.789 -2.831 -0.741 0.533 -0.011 -2.102 -1.024 -2.323 0.274 0.109 0.130
  30 mins -2.188 -3.801 -0.929 0.719 0.019 -2.771 -1.276 -2.538 -0.014 0.027 0.030
15 mins 30 mins -0.417 -1.975 0.952 0.726 0.030 -0.541 -0.252 -1.446 0.942 0.852 0.932
† Bias corrected accelerated.
Note.  Bootstrapping based on 1000 successful replicates.
Note.  Mean Difference estimate is based on the median of the bootstrap distribution.
Note.  P-value adjusted for comparing a family of 3

ANCOVA: Interaction

ANCOVA - Happiness
95% CI for ω²
Cases Sum of Squares df Mean Square F p ω² Lower Upper
Dose 36.558 2 18.279 7.484 0.003 0.234 0.000 0.474
Puppy love 17.182 1 17.182 7.035 0.014 0.109 0.000 0.366
Dose ✻ Puppy love 20.427 2 10.213 4.181 0.028 0.115 0.000 0.347
Residuals 58.621 24 2.443  
Note.  Type III Sum of Squares

Descriptives

Descriptives plots

Puppy love - Happiness