According to HerberKelman (1958, 1961) as cited in Collins and Ashmore (1970; 22-25), there are three processes of attitude change: compliance, identification, and internalization. Attitude change because of compliance can occur when an individual wants to obtain reinforcement or avoid a punishment from the instructor wants it answered. Attitudinal change because of identification occurs when an individual adopts behavior derived from another person or group because this behavior is associated with a satisfying self-defining relationship to this person or group. An example is when a graduate student may adopt a particular philosophy of science because he wants to be like his major professor, who advocates that particular philosophy. Attitudinal change because of internalization occurs when an individual accepts influence because the results of an experiment as being factual because the experiment was well designed and the results were consistent with other studies on the same topic. It this is the reason he accepts the results, he will continue to believe the date after the course is over. The important aspect of influence produced through internalization is that it produces attitude change that is not dependent on the external source.