## 4 Results and Discussion
### Validation of the Model Structure
\begin{table}
\begin{tabular}{l c c c c c} \hline \hline  & \multicolumn{6}{c}{**Path Model**} \\ \cline{2-6}  & & **Full** & \multicolumn{3}{c}{**Trimmed**} \\ \cline{2-6}  & **Unst.** & **S.E.** & **St.** & **Unst.** & **St.** \\ \hline \multicolumn{6}{l}{**Direct effects, \(\Gamma\)**} \\ \hline \(\gamma_{11}:\overline{\text{Tu}}_{\text{out}}\rightarrow\overline{\text{AC}}^{*}\) & 0.000 \({}^{\text{a}}\) & — & — & 0.000 \({}^{\text{a}}\) & — \\ \(\gamma_{21}:\overline{\text{Tu}}_{\text{out}}\rightarrow\overline{T}_{\text{in}}\) & 0.773 \({}^{\text{f}}\) & 0.049 & 0.967 & 0.751 \({}^{\text{f}}\) & 0.939 \\ \(\gamma_{12}:\overline{\text{RH}}\rightarrow\overline{\text{AC}}^{*}\) & 0.001 & 0.002 & 0.011 & — & — \\ \(\gamma_{22}:\overline{\text{RH}}\rightarrow\overline{\text{T}}_{\text{in}}\) & 0.012 \({}^{\text{f}}\) & 0.005 & 0.049 & 0.012 \({}^{\text{f}}\) & 0.052 \\ \(\gamma_{13}:\Sigma_{\text{Ead}}\rightarrow\overline{\text{AC}}^{*}\) & 0.013 \({}^{\text{f}}\) & 0.003 & 0.147 & 0.013 \({}^{\text{f}}\) & 0.153 \\ \(\gamma_{23}:\Sigma_{\text{Ead}}\rightarrow\overline{\text{T}}_{\text{in}}\) & 0.060 \({}^{\text{f}}\) & 0.013 & 0.165 & 0.054 \({}^{\text{f}}\) & 0.148 \\ \(\gamma_{14}:\Sigma\text{R}^{*}\rightarrow\overline{\text{AC}}^{*}\) & \(-0.149\) \({}^{\text{f}}\) & 0.018 & \(-0.227\) & \(-0.134\) \({}^{\text{f}}\) & \(-0.204\) \\ \(\gamma_{24}:\Sigma\text{R}^{*}\rightarrow\overline{T}_{\text{in}}\) & 0.000 \({}^{\text{a}}\) & — & — & 0.000 \({}^{\text{a}}\) & — \\ \(\gamma_{15}:\overline{\text{WS}}\rightarrow\overline{\text{acc}}^{*}\) & 0.023 & 0.013 & 0.040 & — & — \\ \(\gamma_{25}:\overline{\text{WS}}\rightarrow\overline{\text{I}}_{\text{in}}\) & \(-0.085\) \({}^{\text{f}}\) & 0.040 & \(-0.035\) & — & — \\ \(\gamma_{16}:\overline{\text{S}}_{\text{c}}^{*}\rightarrow\overline{\text{AC}}^{*}\) & 0.023 \({}^{\text{f}}\) & 0.003 & 0.155 & 0.023 \({}^{\text{f}}\) & 0.154 \\ \(\gamma_{26}:\overline{\text{S}}_{\text{c}}^{*}\rightarrow\overline{T}_{\text{in}}\) & 0.037 \({}^{\text{f}}\) & 0.015 & 0.061 & 0.031 \({}^{\text{f}}\) & 0.050 \\ \hline \multicolumn{6}{l}{**Mediation effects, \(B\)**} \\ \hline \(\beta_{12}:\overline{\text{Ti}}_{\text{in}}\rightarrow\overline{\text{acc}}^{*}\) & 0.156 \({}^{\text{f}}\) & 0.006 & 0.646 & 0.154 \({}^{\text{f}}\) & 0.637 \\ \(\beta_{21}:\overline{\text{AC}}^{*}\rightarrow\overline{T}_{\text{in}}\) & \(-0.921\) \({}^{\text{f}}\) & 0.462 & \(-0.222\) & \(-0.667\) \({}^{\text{f}}\) & \(-0.161\) \\ \hline \multicolumn{6}{l}{**Disturbances’ variance, \(V(Z)\)**} \\ \hline \(V(\zeta_{1})\) & 0.194 \({}^{\text{f}}\) & 0.008 & 0.424 & 0.194 \({}^{\text{f}}\) & 0.425 \\ \(V(\zeta_{2})\) & 2.11 \({}^{\text{f}}\) & 0.312 & 0.269 & 1.97 \({}^{\text{f}}\) & 0.251 \\ \hline \multicolumn{6}{l}{**Disturbances’ covariance, \(\psi_{12}\)**} \\ \hline \(\zeta_{1}\zeta_{2}\) & 0.041 & 0.084 & 0.064 & — & — \\ \hline \multicolumn{6}{l}{(a) Constrained parameter (see Table 1); (\(\dagger\)) \(p<0.05\); (\(\ddagger\)) \(p<0.01\).} \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Results of maximum likelihood estimation for the full and trimmed versions of the path model.