The survey has four sections. You can do as little as one section and be done by clicking "Submit". You can save your answers and come back to finish later. You can stop at any point and submit your responses.

Click the links above these instructions to navigate quickly through the survey. You can look around, jump ahead, go back and even change your answers at any time.

You can explore the theory behind the charge fiber model by following the embedded links.

You can add comments to any question.

The Technical References link takes you to supporting technical papers and articles.

Thank you for taking time to respond. I hope you find the model interesting and I look forward to your opinion and feedback.