Developing an instrument to examine science teachers' PCK and science teaching orientations -- Developing an instrument for evaluating university students' perceptions of teachers' PCK -- Developing university teachers' PCK through a reflective teaching model and students' perceptions on teaching -- Evaluating university students' perceptions of instructors' PCK using student surveys and instructor workshops -- Assessing university students' perceptions of their physics instructor's TPACK using a newly developed instrument -- Using interactive whiteboard technology and observation to develop the TPACK of science teachers -- Exploring peer coaching on science teachers' TPACK and students' learning outcomes -- Developing the TPACK of elementary mathematics teachers in peer community using interactive whiteboard technology