This study further denotes there is a statistically significant difference with reference to the three different negative reinforcement approaches (warning, scolding, and punishment) practised by teachers in dealing with disruptive behaviours in classroom based on the teachers’ years of teaching experience. Based on the one-way ANOVA test performed, it was noted that F=4.333, p (0.006) < 0.05 for warning approach, F=7.894, p (0.000) < 0.05 for scolding approach and F=4.735, p (0.004) < 0.05 for punishment approach. Based on these results, they showed that different negative reinforcement approach was practised by teachers based on their years of teaching experience