“…Stratification variables were selected based on the literature on web navigation and teacher professional development. Research has found that gender (Page, Robson, & Uncles, 2012;J. Pearson, A. Pearson, & Green, 2007), age (Laberge & Scialfa, 2005), subject matter knowledge and experience (Laberge & Scialfa, 2005), and computer self-efficacy (Page et al, 2012) influence the perception and navigation of websites; therefore, comparable aspects including gender, age, years of teaching experience, current teaching grade, comfort with technology, and frequency of Internet use for professional purposes, were selected as the key variables used for the group assignment.…”