# Experiment Information System Based on an Online Virtual Laboratory
## 2 Design and Methods
### A Blended Learning Model
\begin{table}
\begin{tabular}{c c c c} \hline \hline  & **Stage** & **Participants** & **Specifications** \\ \hline \multirow{8}{*}{Lesson 01} & \multirow{4}{*}{On class} & \multirow{4}{*}{Teacher} & Introduction to the course \\  & & & Introduction to the physical laboratory \\  & & & Introduction to the virtual laboratory \\ \cline{3-3}  & \multirow{2}{*}{On class} & \multirow{2}{*}{Students} & Get familiar to the real devices \\  & & & Test and get familiar to the virtual system \\ \cline{3-3}  & & Interaction & Face-to-face question-and-answer \\ \cline{3-3}  & & Teacher & Summary and evaluation of students’ overall performance \\ \cline{3-3}  & \multirow{4}{*}{After class} & \multirow{4}{*}{Students} & Get familiar to the virtual lab \\  & & & Introduction to the virtual laboratory \\ \cline{3-3}  & & & Retail the manual and/or watch the introduction video of the virtual system \\ \cline{3-3}  & & & Run the demo of the virtual system \\ \cline{3-3}  & & Interaction & Online question-and-answer \\ \hline \multirow{8}{*}{Lesson 02} & \multirow{2}{*}{Before class} & Teacher & Release the next lesson and materials \\ \cline{3-3}  & & & Students & Prepare the next lesson \\ \cline{3-3}  & & & Teacher & Nonlinear Resistance Voltage Ampere Characteristics \\ \cline{3-3}  & \multirow{2}{*}{On class} & \multirow{2}{*}{Students} & \multirow{2}{*}{Theory learning and practice in the physical lab} \\ \cline{3-3}  & & & Interaction & Face-to-face question-and-answer \\ \cline{3-3}  & \multirow{2}{*}{After class} & \multirow{2}{*}{Teacher} & Summary and evaluation of students’ overall performance \\  & & & Examine problems and develop solutions \\ \cline{3-3}  & & & Students & Prepare for the corresponding virtual lab \\ \cline{3-3}  & & & Interaction & Online question-and-answer \\ \hline \multirow{4}{*}{Lesson 03} & \multirow{2}{*}{Flexible} & Teacher & Online virtual experiment, as supervisor \\ \cline{3-3}  & & & Students & Online virtual experiment in lesson 02 before due date \\ \cline{3-3}  & & & Interaction & Online question-and-answer \\ \hline \multirow{8}{*}{Lesson 04} & \multirow{2}{*}{Before class} & Teacher & Evaluation of lesson 03 \\ \cline{3-3}  & & & Students & Prepare for class discuss and communication for lesson 03 \\ \cline{3-3}  & & & Interaction & Online communications between students and teacher, as well as between students and students \\ \cline{3-3}  & \multirow{2}{*}{On class} & Teacher & Summary and evaluation of lesson 03 to students \\ \cline{3-3}  & & & Important tips for next lesson \\ \cline{3-3}  & & & Students & Class discussion and communication \\ \cline{3-3}  & & & Interaction & Face-to-face communication \\ \cline{3-3}  & & & Teacher & Release the next lesson and materials \\ \cline{3-3}  & & & Prepare for the next lesson \\ \cline{3-3}  & & & Students & Watch the introduction video of the virtual experiment in the next lesson \\ \cline{3-3}  & & & Run the example demo \\ \cline{3-3}  & & & Interaction & Online question-and-answer \\ \hline \multirow{4}{*}{Lesson 05} & \multirow{2}{*}{Flexible} & Teacher & Online virtual experiment, as supervisor \\ \cline{3-3}  & & & Students & Virtual experiment: spectrum analysis of periodic signals in series resonant circuits \\ \cline{3-3}  & & & Interaction & Online question-and-answer \\ \hline \multirow{4}{*}{Lessons 06–13} & \multirow{2}{*}{Have the similar process as Lesson 04 and Lesson 05, except for a midterm discussion in Lesson 07} \\ \cline{3-3}  & & & \\ \cline{3-3}  & & & \\ \cline{3-3}  & & & \\ \hline \multirow{4}{*}{Lesson 14} & \multirow{2}{*}{A virtual experiment with the last class in the physical lab} \\ \cline{3-3}  & & & \\ \cline{3-3}  & & & \\ \cline{3-3}  & & & \\ \cline{3-3}  & & & \\ \hline \multirow{4}{*}{Lesson 16} & \multirow{2}{*}{Final exam or other additional arrangements before the final exam} \\ \cline{3-3}  & & & & \\ \cline{3-3}  & & & \\ \cline{3-3}  & & & \\ \hline \hline \end{tabular}
\end{table} 
Table 3: An example teaching plan under the blended mode.