Naparat (2544) stated that satisfaction is a positive feeling. Negative feelings and happiness that are interrelated in a complex way. By satisfaction occurs when a positive rather than negative.
Napa jewel (2544 (2001)) says satisfaction is positive feelings. Negative feelings and happiness are related by complex satisfaction occurs when positive feelings than negative.
นภารัตน์ (2544), said that it is a satisfying feeling positive and negative feelings of pleasure, the relationship is complicated by a satisfaction to occur when the feeling of more positive than negative.