As a research associate in the university's Center for Research in Mathematics and Science Education, Dr. Yerrick studies emerging definitions of scientific literacy in diverse science learning contexts. He has researched his efforts to re-negotiate science classroom discourse with his own at-risk high school students and has presented his findings related to student alienation at national meetings. Dr. Yerrick currently works as a teacher educator using his interpretive work to explicate dilemmas associated with changing school contexts. He teaches elementary and secondary science methods, educational technology, and a variety of other courses in the graduate program at SDSU.