Select SAGE journal articles are available to give you more insight into chapter topics. These are also an ideal resource to help support your literature reviews, dissertations and assignments.
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Kulik, J.A. and Fletcher, J.D. (2015) Effectiveness of intelligent tutoring systems. A meta-analytic review. Review of Educational Research, Published online before print: 17 April 2015, Doi: 10.3102/0034654315581420.
Tamim, R.M., Bernard, R.M., Borokhovski, E., Abrami, P.C. and Schmid, R.F. (2011) What forty years of research says about the impact of technology on learning a second-order meta-analysis and validation study. Review of Educational Research, 81(1): 4–28.