## 3 Research Results  
### Expert Interview Results  
The comments obtained from the interviews with the experts are described respectively and then summarized in the following.  
(1) _Experiencing the role-play can improve the recognition of puppet role classification --_  
Interviewee P4 is a professional puppet performer who teaches puppetry on campus and in the community. He said that the role-play on the proposed system clearly introduces the classification of various puppet roles and practical experiences of puppet operations that are easy for beginners to understand and practice. He also mentioned that the demonstration videos of the roles of puppet maneuvering on the stage are effective for community teaching. Finally, he said that role-play could be used as an excellent experience material for promoting puppetry education and culture.  
(2) _A reference for puppetry role setting can be provided by experiencing the role-play --_  
Interviewee P2 is a professional puppet sculptor who often meets with customers unclear about the puppet role and has to spend time communicating with them about puppet role attributes and actual performance needs. [PERSON] said that the role-play experience gained from using the proposed system could provide his customers with a desirable reference about puppet-role characteristics. Therefore, he suggested that his customers may try to use the proposed system before discussing with him the desirable puppets they want to buy.  
(3) _Role-play puppet show experience can become a new guide mode for museums--_  
Interviewee P3 is a general manager of a puppet culture museum who leads people to visit the museum every day. When a large number of visitors appear, especially on holidays, there is often a shortage of guiding manpower. [PERSON] said that the role-play process on the proposed system could provide visitors with puppet-operation experiences and serve as a device for a self-guided tour, relieving the pressure of insufficient guide staff. He also said that if visitors are not too many, the system can as well be used with no personnel guidance to achieve efficient manpower use.  
(4) _Role-plays on the system can be used as a learning material to promote the puppet culture --_  
[PERSON] said that the role-play on the proposed system is suitable for use as an auxiliary tool for this research and that the students will find out that the content of the role-play and the way of teaching on the system are interesting and helpful for promoting the effect of learning puppetry. Similar comments have been expressed by Interviewee P6, who said that through practical experience, the participant could understand all aspects of puppet-show characters, as well as the cultural learning and cultural inheritance significance.  
(5) _Interactive plays by digital technology will be the new trend of future puppet shows-_  
Furthermore, [PERSON] gave a positive appraisal of the interactive role-play process, saying that the role-play on the system can offer the participants different experiences of puppet shows and promote their understanding of this traditional culture. She also mentioned that the interactive digital display of the puppet show is the current trend, which is confirmed and supported by the public, and will be the mainstream of future development of the puppet opera.  
As a summary of the opinions of the six experts, the role-play on the proposed system not only can be seen as an interactive display of puppetry but also functions well in education, learning, and guidance. The structure of the content can also be flexibly applied based on the individual needs of different tropes in the aspect of puppet roles. Therefore, the six experts all affirmed that the role-play on the proposed system definitely has practical values.