Results

Descriptive Statistics

Descriptive Statistics
		Happiness
		No puppies		15 mins		30 mins
Valid		5		5		5
Missing		0		0		0
Mean		2.200		3.200		5.000
Std. Deviation		1.304		1.304		1.581
Minimum		1.000		2.000		3.000
Maximum		4.000		5.000		7.000

Boxplots

Happiness

ANOVA

ANOVA - Happiness
														95% CI for ω²
Cases		Sum of Squares		df		Mean Square		F		p		ω²		Lower		Upper
Dose		20.133		2		10.067		5.119		0.025		0.354		0.000		0.638
Residuals		23.600		12		1.967

Note. Type III Sum of Squares

Descriptives

Descriptives - Happiness
Dose		N		Mean		SD		SE		Coefficient of variation
No puppies		5		2.200		1.304		0.583		0.593
15 mins		5		3.200		1.304		0.583		0.407
30 mins		5		5.000		1.581		0.707		0.316

Descriptives plots

Raincloud plots

Happiness

Assumption Checks

Q-Q Plot

Contrast Tables

Custom 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
1		3.800		0.453		7.147		1.536		12		2.474		0.029		2.710		0.036		5.383
2		1.800		-0.132		3.732		0.887		12		2.029		0.065		1.284		-0.208		2.775

Custom Contrast Coefficients - Dose
Dose		Comparison 1		Comparison 2
No puppies		-2		0
15 mins		1		-1
30 mins		1		1

Post Hoc Tests

Standard (HSD)

Post Hoc Comparisons - Dose
						95% CI for Mean Difference												95% CI for Cohen's d
				Mean Difference		Lower		Upper		SE		df		t		Cohen's d		Lower		Upper		p_tukey
No puppies		15 mins		-1.000		-3.366		1.366		0.887		12		-1.127		-0.713		-2.517		1.091		0.516
		30 mins		-2.800		-5.166		-0.434		0.887		12		-3.157		-1.997		-4.088		0.095		0.021
15 mins		30 mins		-1.800		-4.166		0.566		0.887		12		-2.029		-1.284		-3.186		0.619		0.147

Note. P-value and confidence intervals adjusted for comparing a family of 3 estimates (ci for mean difference corrected using the tukey method; ci for effect size corrected using the bonferroni method).

Games-Howell

Games-Howell Post Hoc Comparisons - Dose
				95% CI for Mean Difference
Comparison		Mean Difference		Lower		Upper		SE		t		df		p_tukey
No puppies - 15 mins		-1.000		-3.356		1.356		0.825		-1.213		8.000		0.479
No puppies - 30 mins		-2.800		-5.439		-0.161		0.917		-3.055		7.720		0.039
15 mins - 30 mins		-1.800		-4.439		0.839		0.917		-1.964		7.720		0.185

Note. Results based on uncorrected means.

Dunnett

Dunnett Post Hoc Comparisons - Dose
				95% CI for Mean Difference
Comparison		Mean Difference		Lower		Upper		SE		t		p_dunnett
15 mins - No puppies		1.000		-1.220		3.220		0.887		1.127		0.446
30 mins - No puppies		2.800		0.580		5.020		0.887		3.157		0.015

Note. Results based on uncorrected means.

Linear Regression

Model Summary - Happiness
Model		R		R²		Adjusted R²		RMSE
M₀		0.000		0.000		0.000		1.767
M₁		0.679		0.460		0.370		1.402

Note. M₁ includes Dose

ANOVA
Model				Sum of Squares		df		Mean Square		F		p
M₁		Regression		20.133		2		10.067		5.119		0.025
		Residual		23.600		12		1.967
		Total		43.733		14

Note. M₁ includes Dose
Note. The intercept model is omitted, as no meaningful information can be shown.

Coefficients
Model				Unstandardized		Standard Error		Standardizedᵃ		t		p
M₀		(Intercept)		3.467		0.456				7.597		< .001
M₁		(Intercept)		2.200		0.627				3.508		0.004
		Dose (15 mins)		1.000		0.887				1.127		0.282
		Dose (30 mins)		2.800		0.887				3.157		0.008

ᵃ Standardized coefficients can only be computed for continuous predictors.

ANOVA

ANOVA - Happiness
Cases		Sum of Squares		df		Mean Square		F		p
Dose		20.133		2		10.067		5.119		0.025
Residuals		23.600		12		1.967

Note. Type III Sum of Squares

Contrast Tables

Helmert Contrast - Dose
Comparison		Estimate		SE		df		t		p
No puppies - 15 mins, 30 mins		-1.900		0.768		12		-2.474		0.029
15 mins - 30 mins		-1.800		0.887		12		-2.029		0.065