Design and psychometric evaluation of epilepsy-related apathy scale (E-RAS) in adults with epilepsy: a sequential exploratory mixed methods design

Table 7 Convergent and divergent validity, internal consistency, and constructs reliability of E-RAS

Factor	α	θ	Ω	CR	First-order			Second-order
Factor	α	θ	Ω	CR	AVE	MSV	ASV	AVE
Motivation	0.770	0.726	0.728	0.883	0.528	0.240	0.177	0.516
Self-Regulatory	0.763	0.759	0.742	0.780	0.550	0.302	0.213
Cognition	0.792	0.803	0.815	0.846	0.531	0.302	0.239
Emotional-Effective	0.889	0.846	0.840	0.912	0.541	0.176	0.145

Abbreviations: E-RAS epilepsy– related apathy scale, a Cronbach’s alpha coefficients, θ theta coefficient, Ω McDonald omega coefficient, CR construct reliability, AVE average variance extracted, MSV maximum shared squared variance, ASV average shared squared variance

ISSN: 1471-2377