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Virtual Tutor Application v1.0

Virtual Tutor Application v1.0. Ruth Agada Dr. Jie Yan Bowie State University Computer Science Department. Background. Animated agents have many uses. in educational, training, and simulation environments, HLS, virtual simulation for dismounted soldiers, etc

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Virtual Tutor Application v1.0

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  1. Virtual Tutor Application v1.0 Ruth Agada Dr. Jie Yan Bowie State University Computer Science Department

  2. Background • Animated agents have many uses. • in educational, training, and simulation environments, • HLS, virtual simulation for dismounted soldiers, etc • and in entertainment applications. • Second life, Sims, etc • impression of realism.

  3. Background cont’d • Examples: • Virtual Sign Animated Pedagogical Agents • Designed for deaf and hearing impaired people. • Presents sign demonstrations via a series of 3-D graphical animations. • Language learning Animated Pedagogical Agents • Designed to teach children to read • monitors each student’s performance continuously and adapts the study plan • Capable of providing feedback to students

  4. Introduction • Studies have shown that effective individual tutoring is the most powerful mode of teaching. • Logically and financially unfeasible. • Animated pedagogical agents offer enormous promise for interactive learning environments. • Despite the progress, much remains to be done.

  5. Introduction cont’d • Research objective • To design, develop and implement a virtual tutor • To develop a powerful new approach for investigating engaging and effective communication • To develop an environment for supplemental learning purposes. • Create realistic 3D animated model to be used as virtual tutor

  6. Approach • Interface design • The interface consists of three main parts: • an overview window. • the agent window. • the content explanation window. • Quiz interface components: • Question and answer area • Agent window • Report window • Audio and phoneme files generated using tts • Will be changed to a human voice

  7. Approach cont’d • Generating audio and phoneme files • Use avatar-CUAnimate toolkit • Using the text-to-speech component • Tts file – 2 separate files • Simple .wav file • Phoneme .txt file

  8. Avatar- CUAnimate toolkit

  9. Lecture screenshot

  10. Lecture screenshot with illustration

  11. Quiz Screenshot

  12. Other models Are just a few of the models

  13. Evaluation • Preliminary testing of Agent • Tested on Bowie State University students. • Observing subject’s perception. • To assess student: • 12 survey questions on a 5 point Likert scale. • Rated with a score range 1 – 5.

  14. Sample Questionnaire

  15. Conclusion & future work • Virtual Tutor can be used to supplement/teach lecture materials. • Students will then be able to view the prepared lectures • Preliminary testing proved hypotheses. • New features will be added to application • More modules developed • Watch instructional videos • User can keep track of grades • Make available online.

  16. Acknowledgements Thanks to: Dr. Yan . Department of Computer science. Research made possible through grants from: NSF: SGER:  Research to Improve Communication by Pedagogical Agents (Award No. IIS-0827188).

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