According to one embodiment of the present invention a computerized voice-analysis device for determining an S, H, G profile is provided (as described herein, such an S, H, G profile relates to the strengths (e.g., relative strengths) of three human instinctive drives). Of note, the present invention may be used for one or more of the following: analyzing a previously recorded voice sample; real-time analysis of voice as it is being spoken; combination voice analysis—that is, a combination of: (a) previously recorded and/or real-time voice; and (b) answers to a questionnaire.