Results

Log-Linear Regression

Model Fit Measures
	Overall Model Test
Model	χ²	df	p
1	127.90	3	< .001
2	179.86	6	< .001
3	200.16	7	< .001

Model Comparisons
Comparison
Model		Model	χ²	df	p
1	-	2	51.96	3	< .001
2	-	3	20.30	1	< .001

Model Specific ResultsModel 1Model 2Model 3

Omnibus Likelihood Ratio Tests
Predictor	χ²	df	p
Animal	65.27	1	< .001
Training	61.15	1	< .001
Dance	1.48	1	0.223

[3]

Model Coefficients
Predictor	Estimate	SE	Z	p
Intercept	3.35	0.14	24.75	< .001
Animal:
Dog – Cat	-1.05	0.14	-7.56	< .001
Training:
Affection as Reward – Food as Reward	1.01	0.14	7.35	< .001
Dance:
Yes – No	-0.15	0.12	-1.22	0.224

Omnibus Likelihood Ratio Tests
Predictor	χ²	df	p
Animal	7.59	1	0.006
Training	82.86	1	< .001
Dance	0.59	1	0.443
Animal ✻ Training	13.76	1	< .001
Animal ✻ Dance	13.75	1	< .001
Training ✻ Dance	8.61	1	0.003

[3]

Model Coefficients
Predictor	Estimate	SE	Z	p
Intercept	2.83	0.23	12.55	< .001
Animal:
Dog – Cat	-0.88	0.33	-2.68	0.007
Training:
Affection as Reward – Food as Reward	1.84	0.24	7.69	< .001
Dance:
Yes – No	0.22	0.28	0.76	0.444
Animal ✻ Training:
(Dog – Cat) ✻ (Affection as Reward – Food as Reward)	-1.16	0.31	-3.72	< .001
Animal ✻ Dance:
(Dog – Cat) ✻ (Yes – No)	1.12	0.31	3.63	< .001
Training ✻ Dance:
(Affection as Reward – Food as Reward) ✻ (Yes – No)	-0.88	0.30	-2.91	0.004

Omnibus Likelihood Ratio Tests
Predictor	χ²	df	p
Animal	0.67	1	0.413
Training	102.38	1	< .001
Dance	8.88	1	0.003
Animal ✻ Training	33.87	1	< .001
Animal ✻ Dance	1.79	1	0.181
Training ✻ Dance	24.93	1	< .001
Animal ✻ Training ✻ Dance	20.30	1	< .001

[3]

Model Coefficients
Predictor	Estimate	SE	Z	p
Intercept	2.30	0.32	7.28	< .001
Animal:
Dog – Cat	0.34	0.41	0.81	0.416
Training:
Affection as Reward – Food as Reward	2.43	0.33	7.38	< .001
Dance:
Yes – No	1.03	0.37	2.79	0.005
Animal ✻ Training:
(Dog – Cat) ✻ (Affection as Reward – Food as Reward)	-3.13	0.57	-5.50	< .001
Animal ✻ Dance:
(Dog – Cat) ✻ (Yes – No)	-0.67	0.51	-1.33	0.184
Training ✻ Dance:
(Affection as Reward – Food as Reward) ✻ (Yes – No)	-1.89	0.41	-4.66	< .001
Animal ✻ Training ✻ Dance:
(Dog – Cat) ✻ (Affection as Reward – Food as Reward) ✻ (Yes – No)	2.96	0.68	4.34	< .001

References

[1] The jamovi project (2021). jamovi. (Version 2.0) [Computer Software]. Retrieved from https://www.jamovi.org.

[2] R Core Team (2021). R: A Language and environment for statistical computing. (Version 4.0) [Computer software]. Retrieved from https://cran.r-project.org. (R packages retrieved from MRAN snapshot 2021-04-01).

[3] Fox, J., & Weisberg, S. (2020). car: Companion to Applied Regression. [R package]. Retrieved from https://cran.r-project.org/package=car.