Results

Descriptive Statistics

Descriptive Statistics
		Mischief
		No cloak		Cloak
Valid		12		12
Missing		0		0
Mean		3.750		5.000
95% CI Mean Upper		4.965		6.049
95% CI Mean Lower		2.535		3.951
Std. Deviation		1.913		1.651
Minimum		0.000		2.000
Maximum		6.000		8.000

Boxplots

Mischief

Q-Q Plots

Mischief

No cloak

Cloak

Linear Regression

Model Summary - Mischief
Model		R		R²		Adjusted R²		RMSE
M₀		0.000		0.000		0.000		1.861
M₁		0.343		0.118		0.078		1.787

Note. M₁ includes Cloak

ANOVA
Model				Sum of Squares		df		Mean Square		F		p
M₁		Regression		9.375		1		9.375		2.936		0.101
		Residual		70.250		22		3.193
		Total		79.625		23

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

Coefficients
Model				Unstandardized		Standard Error		Standardizedᵃ		t		p
M₀		(Intercept)		4.375		0.380				11.519		< .001
M₁		(Intercept)		3.750		0.516				7.270		< .001
		Cloak (Cloak)		1.250		0.730				1.713		0.101

ᵃ Standardized coefficients can only be computed for continuous predictors.

Independent Samples T-Test

Independent Samples T-Test
														95% CI for Mean Difference								95% CI for Cohen's d
		Test		Statistic		df		p		Mean Difference		SE Difference		Lower		Upper		Cohen's d		SE Cohen's d		Lower		Upper
Mischief		Student		-1.713		22.000		0.101		-1.250		0.730		-2.763		0.263		-0.700		0.432		-1.518		0.134
		Welch		-1.713		21.541		0.101		-1.250		0.730		-2.765		0.265		-0.700		0.432		-1.519		0.135

Assumption Checks

Q-Q Plots

Mischief

Descriptives

Group Descriptives
		Group		N		Mean		SD		SE		Coefficient of variation
Mischief		No cloak		12		3.750		1.913		0.552		0.510
		Cloak		12		5.000		1.651		0.477		0.330

Raincloud Plots

Mischief

Raincloud Plots

Raincloud Plots

Mischief