Transactional evaluation is discussed in the perspective of "The New Rhetoric: A Treatise on Argumentation" by Perelman and Olbrechts-Tyteca. It is described as a procedure for facilitating change by encouraging all persons who might be affected by a new program to participate in its evaluation. (CTM)

The praxis orientation is proposed as an approach to school-based evaluation that enables professionals to understand power relationships and act toward empowerment of the local school community. The orientation is offered as an alternative to the positivist power-control approach, which is critiqued. (TJH)