## 5 System Testing and Evaluation
### Evaluation: Qualitative Evaluation Instrument
#### 5.2.3 Statistical Analysis of the Result
\begin{table}
\begin{tabular}{c c c c} \hline \hline
**Implemented** & **Definition** & & **Measured Items** \\
**Parameter** & & & \\ \hline \multirow{6}{*}{**Satisfaction**} & & & The Web-based app and Internet of Things (IoT) is useful; \\  & & & The app user interface is easy to browse and navigate \\  & Everything related to the positive & & within tabs; \\  & attitudes and feeling comfortable using & & It is a good idea to allow use of the app by donors to directly \\  & the system or application [56; 58] & & manage their data; \\  & & & Providing a similar app that supports mobile devices is a \\  & & & good idea. \\ \hline \multirow{6}{*}{**Efficiency**} & & & The application helps to save time, costs, and reduce the \\  & & & employee effort; \\  & & & The time in retrieving data is significantly shortened \\  & Measuring the efficiency of the & & through the use of the app; \\  & application in terms of saving time, effort, & & The storing of blood bags automatically with the QR code \\  & and cost [58] & & method is an effective mechanism for saving time and effort; \\  & & & Alert notifications sent by the app to donors contribute to \\  & & & reducing patient waiting time and overcoming inventory \\  & & & shortage cases. \\ \hline \multirow{6}{*}{**Effectiveness**} & & & The application helps in efficiently monitoring the \\  & & & temperature of the blood stock using IoT technology; \\  & & & The app helps in overcoming obstacles during crises and \\  & & & emergency situations; \\  & & & The information about the blood bank is correctly \\  & & & digitally placed; \\  & Measuring the target in terms of accuracy, & & This app works to achieve the correct storage of blood bags. \\  & completeness, and output accuracy [58] & & The use of such types of apps contributes to the success of \\  & & & the institution’s work; \\  & & & The app helps in providing accurate and integrated statistics; \\  & & & Linking the app with social media is an important process \\  & & & and contributes to the app’s success. \\ \hline \hline \end{tabular}
\end{table} 
Table 6: The three implementing parameters and their item sets. Table 8 indicates that the sample level based on the first parameter (Satisfaction) was high, which means the participants had a positive attitude and good feeling toward the proposed system. \begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multirow{2}{*}{**No.**} & **Completely** & \multirow{2}{*}{**Agree**} & \multirow{2}{*}{**Neutral**} & \multirow{2}{*}{**Disagree**} & **Completely** & \multirow{2}{*}{**Mean**} & \multirow{2}{*}{**Max**} & \multirow{2}{*}{**Min**} \\  & **Agree** & & & & & & & \\ \hline
1. & 68\% & 32\% & - & - & - & 4.68 & 5.00 & 4.00 \\ \hline
2. & 45\% & 55\% & - & - & - & 4.45 & 5.00 & 3.00 \\ \hline
3. & 27\% & 50\% & 23\% & - & - & 4.05 & 5.00 & 4.00 \\ \hline
4. & 59\% & 41\% & - & - & - & 4.59 & 5.00 & 4.00 \\ \hline \hline \end{tabular}
\end{table} 
Table 7: The results of the Satisfaction parameter. \begin{table}
\begin{tabular}{c c c c c} \hline \hline \multirow{2}{*}{**No.**} & **Completely** & \multirow{2}{*}{**Agree**} & \multirow{2}{*}{**Neutral**} & \multirow{2}{*}{**Disagree**} & **Completely** & \multirow{2}{*}{**Mean**} & \multirow{2}{*}{**Max**} & \multirow{2}{*}{**Min**} \\  & **Agree** & & & & & \\ \hline
1. & 68\% & 32\% & - & - & - & 4.68 & 5.00 & 4.00 \\ \hline
2. & 45\% & 55\% & - & - & - & 4.45 & 5.00 & 3.00 \\ \hline
3. & 27\% & 50\% & 23\% & - & - & 4.05 & 5.00 & 4.00 \\ \hline
4. & 59\% & 41\% & - & - & - & 4.59 & 5.00 & 4.00 \\ \hline \hline \end{tabular}
\end{table} 
Table 8: The complete statistical analysis of the Satisfaction parameter.