พิทักษ์ (2538) กล่าวว่า ความพึงพอใจ

Escort (2538) said it was satisfied the needs of side reactions are stimuli that triggers or displayed in such a way, the end result of the process of assessment by the direction of the evaluation indicate that this is a positive direction in the nature or direction or there is no reaction is delete per passively or stimulating stimuli.

Guardian (2538) said that customer satisfaction is the emotional reaction to stimuli. Or encouraging the output characteristics of the final results of the evaluation process. The results of the assessment indicate that it is in the positive direction or the negative or indifferent reaction to a stimulus or a trigger.

Escort (2538) said that satisfaction is the reaction the feelings toward stimuli. Or incentive displayed in the appearance of the final results of the assessment process. The direction of the evaluation results indicate that the positive or negative direction or meeting reaction is neutral towards the stimuli or what comes to stimulate.