Russell Gersten|Joseph Dimino|Madhavi Jayanthi|James S. Kim|Lana Edwards Santoro
Teacher Study Group
Instructional Research Group|Instructional Research Group|Instructional Research Group|Instructional Research Group|Instructional Research Group
randomized field trials used examine impact teacher study group tsg professional development model first grade teachers reading comprehension vocabulary instruction knowledge areas comprehension vocabulary achievement students multisite study conducted three large urban school districts three states total 81 first grade teachers 468 students 19 reading first schools formed analytic sample study classroom observations teaching practice showed significant improvements tsg schools tsg teachers also significantly outperformed control teachers teacher knowledge measure vocabulary instruction confirmatory analysis student outcomes indicated marginally significant effects oral vocabulary