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Table 5 Hypotheses Assessment

From: Does sociability quality of web-based collaborative learning information system influence students’ satisfaction and system usage?

Hypothesesβt-Valuep-ValueDecisionEffect size f2
H1aSystem quality → system use0.027 (NS)0.2000.841Not supported0.001
H1bSystem quality → user satisfaction0.404*3.3530.001Supported0.189 medium
H2aInformation quality → system use0.079 (NS)0.7420.458Not supported0.007
H2bInformation quality → user satisfaction0.095 (NS)0.9240.356Not supported0.009
H3aService quality → system use0.118 (NS)1.5550.120Not supported0.036 small
H3bService quality → user satisfaction0.187**2.3500.019Supported0.087 small
H4aSociability quality → system use0.399*3.3680.001Supported0.160 medium
H4bSociability quality → user satisfaction0.298**2.2110.027Supported0.085 small
H5User satisfaction → system use0.354*2.7090.007Supported0.143 small
H6User satisfaction → net benefits0.446*4.6510.000Supported0.313 medium
H7System use → net benefits0.458*4.6400.000Supported0.330 medium
  1. Note: Critical t-values *2.58 (P < 0.01); ** 1.96 (P < 0.05); NS = Not Significance (Hair et al. 2014:138);
  2. Cohen’s (1988) effect size f2 ≥ 0.350 = large effect size, f2 ≥ 0.150 = medium effect size, f2 ≥ 0.02 = small effect size (Hair et al. 2014:178)