marginal significanceP =.05
Perceived difficulty of use also showed change over time, reaching significance between DP2 and DP3 ( t 8 =–4.29, P =.01) and marginal significance between DP1 and DP3 ( t 8 =–2.31, P =.05).
Perceived difficulty of use also showed change over time, reaching significance between DP2 and DP3 ( t 8 =–4.29, P =.01) and marginal significance between DP1 and DP3 ( t 8 =–2.31, P =.05).