When inspectors visit construction sites to assess the quality of work, they do so against the building code, which typically is written out in detail and used to guide work and teach apprentices. When attending physicians supervise interns as they take patients' histories or check their blood pressure, they compare the interns' work with…

Observations of one teacher's approach to teaching second grade mathematics reveal a mixture of traditional and innovative techniques. The new teaching policy advocated by the revised California Mathematics Framework is not being implemented. The call for reform in education has increased the teacher's obligation without increasing resources to…