Insightful and Interactional behaviors are unique to humans. The behavior of interactional partners may be unpredictable or it may follow a routine. The process is complex. Uncertainty exists when details of situations are ambiguous, unpredictable or probabilistic. The present research has been able to establish that individuals' need for certainty duly affects his or her interactional pattern. Increasing competence when it is low and hindering it when it high. Environmental artifacts and sentiments are also regulated by an individuals need for certainty. However, the researchers believe that both presence of certainty and absence of certainty are responsible for decision-making, planning, and execution of events. It motivates an organism in to action, to take account of surrounding environment and act accordingly.