Notice of RetractioniTutor: Taking formative assessment and interactive feedback as teaching and learning strategies for improving students´ skill learning effectiveness

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.

As a couple of important teaching strategies, real-time assessment and timely feedback play a positive role in promoting students´ skills acquisition. They provide a good foundation for students´ problem-solving and knowledge transfer by pointing out students´ error operation and supplying guidance and reference timely. Based on these teaching strategies, the author proposes an effective way for students to acquire skills in virtual learning environment, and verifies the validity of iTutor-a skills training tutor system, which uses formative assessment and interactive feedback to help students to learn. According to the data we can draw a conclusion that iTutor could win better learning effect compared to traditional approach. iTutor is also found to be effective in improving the skill learning effectiveness of students with low-level prior knowledge.