Los puntos clave no están disponibles para este artículo en este momento.
Anthony R. Hendrickson, Patti D. Massey, Timothy Paul Cronan, On the Test-Retest Reliability of Perceived Usefulness and Perceived Ease of Use Scales, MIS Quarterly, Vol. 17, No. 2 (Jun., 1993), pp. 227-230
Hendrickson et al. (Tue,) studied this question.