Organizations continue to use technology to train and share information. This study focused specifically on how trainers and trainees interact in the mediated Web conference training context. Using the rhetorical and relational goal theory of instructional communication, this 22 experimental study tested the effects of trainer-This study on the impact of interactivity on trainer and trainees in a web conference training program, supports the hypothesis that trainer-controlled interactivity increases trainee perceptions of trainer's credibility.