5.4 Convergent & Divergent Validity
Utilizing a methodology similar to that of Schepman and Rodway [72], we assessed the convergent validity of
the SHAPE scale by applying the Technology Readiness Index (TRI). The TRI scale comprises 18 items and is
frequently used due to its sound psychometric properties [47]. The TRI scale has four subscales: Innovativeness,

Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., Vol. 7, No. 3, Article 128. Publication date: September 2023.

123456−2−1012Test RetestCritical difference: 1.516MeansDifferencesSocial ThreatAgency128:14

• Villa et al.
Society’sAttitudesTowardsHumanAugmentation