This article is the report of the experimental research on 34 second
(2
nd
) grade students of two senior high schools in Banjarbaru. This experimental
research is the third phase of Educational R& D. The phases are exploration
phase, development phase, and testing phase. The aim of this experimental
research was to better understand the effectiveness of English learning model
through negative anxiety reduction based on constructivism theory. Dynamic
discussion model was applied on experiment class, while conventional model
was on control class. Observation guide and Foreign Language Classroom
Anxiety Scale questionnaire were used as instruments in collecting data. The
collected data were analyzed statistically. The results showed that the students’
English anxiety at pre-anxiety test in the experiment class and control class
were at high level. The students’ English anxiety at the post-anxiety test in the
control class was at a high level while the students’ English anxiety at postanxiety test in the experiment class was at a moderate level. This experimental
research indicated that there was a significant difference of effectiveness
English learning model in the experiment class and the control class. The result
showed that English learning model in experiment class was more effective
than the other one. Dynamic discussion model were able to reduce students’
negative anxiety in English class.