Three items assess whether a website provides interactive shopping decision-support features — brand comparison tools, preference-based questions, and personalised recommendations — to help consumers make more informed choices.
Bart, Y., Shankar, V., Sultan, F., & Urban, G. L. (2005). Are the drivers and role of online trust the same for all web sites and consumers? A large-scale exploratory empirical study. Journal of Marketing, 69(4), 133–152.
Free access to 2023+ psychometric scales at PsychScales