A meta-analysis of research on grade retention, C.T.Holmes a review of research on kindergarten retention, L.A.Shepard academic and emotional effects of kindergarten in one school district, L.A.Shepard and M.L.Smith attitudes of parents, students and educators toward repeating a grade, D.Byrnes teachers' beliefs about retention, M.L.Smith ending school promotion in Waterford - appearance and reality, M.C.Ellwein and G.V.Glass repeating and dropping out of school, J.Grissom and L.A.Shepard alternatives to student retention - new images of the learner, the teacher and classroom learning, P.L.Peterson policy implications of retention research, E.House.
No takes yet. Share an insight, caveat, or question.
Wilson et al. (1990) studied this question.