The materials contained in this document are intended for use in a training session for adult educators. The document is designed with the following objectives in mind: inspire adult educators to increase their knowledge of critical thinking in distance education, stimulate participants to foster critical thinking in adult learners, and provide opportunities that foster critical thinking. Discussed in the introductory section are ways of incorporating critical thinking strategies into self-directed learning materials. The concept of critical thinking is defined, and the critical thinker is profiled. Presented next is a critical thinking taxonomy that lists critical thinking dispositions and abilities. Twelve principles of critical thinking for adult learners are enumerated. Examined next are selected passages from published research on critical thinking in the teaching-learning transaction. The following critical thinking teaching strategies in distance learning are described: critical analysis; debate teams; dramatization; action maze; critical incident; scenario building; Socratic questioning; creative visualization; journal writing; quotations or cartoons; inventing; and pluses, minuses, and alternatives. Contains 31 references. (MN)