Table 4.

Acceptance model categories and subcategories—used, modified, excluded, and added.

Category	Hedonic attitudes	Utilitarian attitudes	Personal norms	Social norms	Control beliefs	Facilitating conditions	Intention to use
Subcategories used	Enjoyment	Perceived usefulness Ease of use Perceived adaptiveness	Privacy Trust	Social influence Perceived sociability Societal impact	Anxiety Safety	No subcategories	No subcategories
Modified subcategories used	Attractiveness Appearance, including animacy	—a	—	—	—	—	—
Excluded subcategories	Social presence Companionship	—	—	Status	Self-efficacy Cost	—	—
Added subcategories	—	—	Independence Autonomy	—	—	—	—

^aNot applicable.