Expertise POWER is based on one ’s power special training or access to special informantion. As societies and govenments become more complex and knowledge becomes more specialized and technical, this type of power is becoming increasingly more prevalent (Freidson, 1986). An example of this would be the growing number of specialists and professionals who testify as expert witnesses, for a fee, in lawsuits and criminal cases. According to a New York Times (1987b) article, the business of being an expert of obscurc ficlds (such as boule expplosions or hot-air ballon accidents) have joined tens of thousands of doctors, university professors, and engineers in the expert-witness industry.