Table 2.

Scale items.

Constructs	Label	Scale items
Purchasing decision (Zhao et al., 2019)	PD1	I purchase based on AI recommendations.
	PD2	AI influences my buying decisions.
	PD3	I trust my AI-aided purchasing decisions.
	PD4	AI-based purchase recommendations satisfy me.
Brand trust (Cheng and Jiang, 2022)	BT1	I trust brands using AI technology.
	BT2	Brands using AI offer reliable products/services.
	BT3	I trust product recommendations from AI-powered brands.
	BT4	Knowing a brand uses AI reassures me.
Flow experience (Guerra-Tamez et al., 2020; Guerra-Tamez and Franco-García, 2022)	FE1	I'm not distracted on AI-powered websites/apps while shopping.
	FE2	I enjoy AI-powered online shopping interactions.
	FE3	I lose track of time on AI-powered shopping sites/apps.
	FE4	I feel in control on AI-powered shopping platforms.
AI accuracy perception (Cheng and Jiang, 2022)	AAP1	AI's product recommendations are accurate.
	AAP2	AI's product suggestions are highly appropriate for me.
	AAP3	AI's information aligns with my preferences.
	AAP4	AI understands my shopping needs and preferences.
AI exposure (Kim et al., 2021)	AE1	I often interact with AI-powered devices or services.
	AE2	AI is a central part of my daily life.
	AE3	I frequently use AI for shopping.
	AE4	I am familiar with AI technology in my daily life.
Attitude toward AI (Youn and Jin, 2021)	ATA1	AI enhances my shopping experience.
	ATA2	I'm comfortable interacting with AI during shopping.
	ATA3	I trust AI-driven product suggestions.
	ATA4	AI accurately provides product recommendations.