With much attention being placed on the use of Twitter and other social media in the classroom, educators are grappling with the question, "Is Twitter a valid tool to increase classroom effectiveness?" Yet, many responses to this question come from anecdotal and case-study-based information. The present study offers a preliminary quantitative…

Past research has shown that informal communications among Graduate Teaching Assistants (GTAs) are more influential in shaping their teaching practices than formal induction programs. Yet little is known about how these informal helping relationships evolve and how universities can help support their formation as part of the preparation of future…