Abstract: It is discloses a method and system for measuring and assessing the impact of non-verbal responses of a respondent to a stimulus, the method comprises the steps of presenting a reference stimulus to the respondent; recording immediate non-verbal responses via an imaging device to said presented reference stimulus; presenting a stimulus under test to the respondent; recording immediate non-verbal responses via an imaging device to said presented stimulus under test; presenting a questionnaire with questions on the stimulus under test to the respondent; obtaining verbal responses to the questions; immediately transmitting the recorded image of said non-verbal responses to the reference stimulus and the stimulus under test across a communications network to an image processing unit and after having received said images at said image processing unit automatically calculating emotion probabilities of the non-verbal responses of the respondent from said images; and calculating a emotional intensity score derived fr