finally in the conclusion
We have summarized as follows Two main factors that they are factors that affect Thais’ oral communication and psychological factor that hinder students from speaking. Factors that affect Thais’ oral communication includes age or maturation constrain, aural medium, socio-cultural, and the other effective factor comprises self-esteem, empathy, attitude and motivation. Moreover, psychological factor that hinder students from speaking, they consists fear of mistakes, anxious, shyness, lack of confidence, and lack of motivation.