A seven-item likert scale designed to measure of interactivity created for use with websites have typically been specific to the facets of interactivity (e.
Johnson, Grace J., Gordon C. Bruner II, and Anand Kumar (2006), “Interactivity and Its Facets Revisited: Theory and Empirical Test,” Journal of Advertising, 35 (Winter), 35-52.
Free access to 2023+ psychometric scales at PsychScales