From our experience, it is clear that the degree of completion of a program that newly developed VR software is generally satisfaction = 40% to 60%. Even if the VR software that was completed after agreeing with the customer image involved in the development was highly evaluated in the initial stage, the actual situation will gradually become clear when it is widely used by a large number of people through the operation of the product. I will come. There are only a limited number of cases where we can reach an agreement with the sensibilities of many users. As I mentioned in the first episode, it is due to the fact that each person’s sensibilities are distributed in slightly separate ways. People experience it through the sensory system, and based on their slightly different experiences, they perform top-down processing while collating with the brain to create emotions. Sensitivity acts in the process of generating this emotion. As you can see, people’s feelings are slightly different from each other. With this in mind, it is necessary to individually improve the quality of the teaching materials. This is because the teaching materials using VR are mainly teaching materials with five senses. Therefore, have a large number of people use the finished product once, subjectively summarize what they felt according to the purpose as a report, receive the provision of it, consider countermeasures based on the content, and make improvements. So, it has been confirmed that customer satisfaction gradually increases. Generally, the first improvement will change so that the purpose can be achieved for about 10 to 20% of people on average.
Of course, this improvement rate increases as the number of opinions of the examiners increases, but it cannot be improved at once. Therefore, by repeatedly implementing these feedback improvements, the range of application can be expanded, although it gradually attenuates according to the parabolic curve. We will expand the scope of application so that it can be effective for more users while improving feedback. The most effective way is to gradually improve the quality of education while obtaining such an agreement. We call this improvement method a cyclone and use it as the idea of product improvement. Cyclones can improve the quality of education in direct educational programs that involve people’s diverse sensitivities. This is a very suitable method especially for building a disaster database. Once the product has been developed, it will be improved in the field and its effectiveness will be evaluated. It has been confirmed that some people feel differently when they experience VR according to their sensibilities. This is because the sensations felt by the body are wide and there are many sensations, and the sensations that are the main factor for each event differ from person to person. If there are few sensations that can be reproduced in VR, it is necessary to find out the sensations that are lacking, and it is necessary to derive answers from subjective impressions through the experience of various people. In order to apply the product to a wide range of people in this way, the scope of application will gradually expand by obtaining the subjective opinions of the experiencers, analyzing the content that should be fed back, and improving the feedback to the product. These works are improvement work that involves steady trial and error. Focusing on the peak of the sensitivity of people distributed in a normal distribution, expanding the scope of application to respond to people who are spread out from the peak will improve the quality of the experience. The quality of experience is to improve the quality of teaching materials, and it means that services that are meaningful to society are provided.
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