In Thailand, many pre-service teachers are still shy and afraid to ask questions in the classroom. To enhance preservice teachers’ ability, pre-service teachers need to show their potential and should be encouraged to participate in the class. This paper aims to study the pre-service teachers’ interaction and participation in the online mode in terms of blended learning using creative problem solving technique. The sample group of this study was 28 pre-service teachers. The first group was treated anonymously when they were online while the ...