Table 1. Pairwise comparisons of the variables between study groups at a one-month follow-up. Data are means (±SD).
Dependent variables Study groups
Combined group Web-based group Face-to-face group Control group
Cognitive autonomy support 6.29 ± 0.67 b**,c**,d*** 6.03 ± 0.68 a**,d** 6.08 ± 0.67 a**,d*** 5.83 ± 0.67 a***,b**,c***
Procedural autonomy support 6.14 ± 0.76 b***,c**,d*** 5.81 ± 0.76 a***,d* 5.90 ± 0.76 a**,d* 5.65 ± 0.75 a***,b*,c**
Organisational autonomy support 5.89 ± 0.92 c***,d*** 5.70 ± 0.92 c*,d*** 5.48 ± 0.93 a***,c*,d*** 5.28 ± 0.92 a***,b***, *
Negative conditional regard 2.15 ± 0.83 b***,c**, d*** 2.57 ± 0.83 a*** 2.46 ± 0.82 a**,d* 2.67 ± 0.82 a***,c*
Controlling use of grades 2.95 ± 1.01 b***,c**,d*** 3.41 ± 1.01 a*** 3.35 ± 1.00 a** 3.52 ± 1.01 a***
Intimidation 1.29 ± 0.61 d** 1.35 ± 0.61 d** 1.34 ± 0.62 d* 1.50 ± 0.61 a**,b**,c*
Autonomy need satisfaction 5.55 ± 0.94 c**,d*** 5.36 ± 0.94 d*** 5.26 ± 0.94 a**,d* 5.02 ± 0.94 a***,b***,c*
Competence need satisfaction 5.65 ± 0.84 b*,c***,d*** 5.41 ± 0.84 a*,d** 5.26 ± 0.84 a*** 5.18 ± 0.84 a***,b**
Relatedness need satisfaction 6.06 ± 0.73 b***,c*,d*** 5.73 ± 0.73 a*** 5.85 ± 0.73 a*,d* 5.67 ± 0.74 a***,c*
Autonomy need frustration 2.62 ± 0.95 b*,c**,d*** 2.87 ± 0.95 a*,d** 2.95 ± 0.94 a**,d* 3.20 ± 0.94 a***,b**,c*
Competence need frustration 2.46 ± 1.00 b***,c**,d** 2.94 ± 0.88 a*** 2.85 ± 0.99 a**,d* 3.06 ± 0.99 a**,c*
Relatedness need frustration 1.70 ± 0.73 b*,c**,d*** 1.87 ± 0.73 a* 1.93 ± 0.73 a** 2.01 ± 0.74 a***
Intrinsic motivation 5.63 ± 0.98 b*,c**,d*** 5.41 ± 0.99 a* 5.31 ± 0.99 a** 5.25 ± 0.98 a***
**p < 0.01,***p < 0.001.*p < 0.05,d significantly different from the control group.c significantly different from the face-to-face group.a significantly different from the combined group.b significantly different from the web-based group.