摘要:This qualitative study aimed at describing student verbal interaction verbally
through cognitive activities consisting of procedural, disputational, and exploration
in solving geometry problems. This research was in the form of students' verbal
interaction activities in group discussion which decribe students' thinking process
in detail, both the correct and incorrect thinking process, when conveying their
ideas to their friends to solve a problem. The data were collected through a video
recording and made in the form of dialogue transcriptions. The research results
showed that the form of student verbal interaction on the procedural activity
namely (1) students conveyed their ideas to their peers without arguing with each
other; (2) discussion activities with planning as its nature; (3) students shared
information used in problem-solving. The form of student verbal interaction on the
disputational activities were (1) students responded to each other ideas,
suggestions, or answers between individuals; (2) students defended each other’s
ideas or answers so that it triggered a group discussion; (3) the activities would end
when all the group member have the appropriateness of the thinking process from
the discussed problems.