## 4 Study Results
### Internal Consistency Evaluation Results  
[PERSON]'s alpha coefficients were calculated to verify the internal consistency of the evaluation tool designed to measure the three sub-constructs. As presented in Table 6, all of the coefficients were greater than 0.7--the minimum acceptable value proposed by [PERSON] (1993) [33] and [PERSON] (2003) [12].  
\begin{table}
\begin{tabular}{l c c c c} \hline \hline
**Items** & **Mean** & **S.D.** & **Skewness** & **Kurtosis** \\ \hline C1. Compared to other platforms, it provides developers with a more stable development environment. (2) & 6.02 & 1.161 & \(-\)0.76 & \(-\)0.84 \\ C2. Provides convenience to developers. (3) & 5.81 & 1.207 & \(-\)0.85 & \(-\)0.07 \\ C3. Provides developers with a variety of add-on options (e.g., apps, resources, etc.). (5) & 5.57 & 1.227 & \(-\)0.68 & 0.056 \\ C4. It provides developers with high-quality value for information. (8) & 5.89 & 1.267 & \(-\)1.17 & 0.9 \\ C5. It provides developers with high-quality value for their resources. (9) & 6.06 & 1.182 & \(-\)1.28 & 1.08 \\ C6. It provides developers with high-quality value for technology. (10) & 6.14 & 1.175 & \(-\)1.38 & 1.532 \\ C7. The platform is fast. (15) & 6.04 & 1.213 & \(-\)1.07 & 0.066 \\ C8. The interaction between the platform and the developer is clear. (16) & 5.95 & 1.16 & \(-\)1.06 & 0.645 \\ C9. The interaction between the platform and the developer does not require much mental effort. (17) & 5.7 & 1.186 & \(-\)0.69 & \(-\)0.27 \\ C10. It is easy for developers to use the platform. (18) & 6.24 & 1.213 & \(-\)1.34 & 0.443 \\ C11. It is easy to do what the developer wants to do. (19) & 5.95 & 1.173 & \(-\)0.94 & 0.09 \\ C12. Improves the efficiency of the developer’s development work. (22) & 5.98 & 0.984 & \(-\)0.81 & 0.291 \\ C13. Increases the usefulness of the developer’s development work. (23) & 5.85 & 1.212 & \(-\)0.6 & \(-\)0.97 \\ \hline E1. Developers are intrigued when they use the platform. (5) & 5.64 & 1.11 & \(-\)0.44 & \(-\)0.53 \\ E2. The platform is attractive. (6) & 5.75 & 1.086 & \(-\)0.53 & \(-\)0.37 \\ E3. Developers get a positive feeling from the platform. (7) & 5.48 & 1.094 & \(-\)0.35 & \(-\)0.25 \\ E4. Developers feel value from the platform. (8) & 5.65 & 0.994 & \(-\)0.21 & \(-\)0.76 \\ \hline D1. Even if the platform price is high compared to other platforms, I think that developers should use the current platform. (1) & 5.84 & 1.053 & \(-\)0.58 & \(-\)0.22 \\ D2. Developers intend to use the platform. (2) & 5.84 & 1.043 & \(-\)0.66 & \(-\)0.05 \\ D3. Developers have a plan to use the platform. (3) & 5.66 & 1.181 & \(-\)0.71 & 0.122 \\ D4. Developers have the will to pay additional costs to use the platform. (5) & 5.84 & 1.101 & \(-\)0.76 & \(-\)0.15 \\ D5. Developers have a clear idea that they will use the platform again. (7) & 5.87 & 1.146 & \(-\)0.81 & \(-\)0.03 \\ D6. If a developer has access to the platform, he/she makes the developer intend to use the platform. (8) & 5.9 & 1.095 & \(-\)0.87 & 0.118 \\ D7. If a developer has access to the platform, it gives that developer a willingness to use the platform. (9) & 5.54 & 1.138 & \(-\)0.47 & \(-\)0.42 \\ D8. It gives developers the idea that the platform can be used voluntarily. (10) & 5.52 & 1.118 & \(-\)0.56 & \(-\)0.18 \\ D9. Even if the developer’s boss does not force the use of the platform, it makes the developer feel that they can use the platform freely. (11) & 5.86 & 1.187 & \(-\)1.37 & 2.713 \\ \hline \hline \end{tabular} Note.: The value in parenthesis denotes the number of pilot items.  
\end{table}
Table 5: Descriptive statistics for item measures: Mean, SD, Skewness, Kurtosis.