The results indicated that were statistically significant differences in reflective thinking between males and females. The significance was in favor of males rather than females. The mean value for males reached 19.88 while the mean value for females reached 17.10 perhaps this was due to what both males and females have been exposed to in their environments. For example, psychological, social and educational effects which were variable and contradictory during social and family upbringing which characterized with heterogeneity as a result of academic, cultural and economical level of students environments. On the other hand, the variability within social upbringing styles that always applied in family education, educational system, successive educational stages and various ways and behaviors of parents communication/ interaction with children leading to variability in thinking styles among children of both males and females.