Valentine, J. C., & Cooper, H. (2005). Can we measure the quality of causal research in education? In G. D. Phye, D. H. Robinson, & J. Levin (Eds.), Experimental methods for educational interventions: Prospects, pitfalls and perspectives (pp. 85–112). Elsevier Press.

Valentine, J. C., and H. Cooper. “Can we measure the quality of causal research in education?” In Experimental Methods for Educational Interventions: Prospects, Pitfalls and Perspectives, edited by G. D. Phye, D. H. Robinson, and J. Levin, 85–112. Elsevier Press, 2005.

Valentine JC, Cooper H. Can we measure the quality of causal research in education? In: Phye GD, Robinson DH, Levin J, editors. Experimental methods for educational interventions: Prospects, pitfalls and perspectives. Elsevier Press; 2005. p. 85–112.

Valentine, J. C., and H. Cooper. “Can we measure the quality of causal research in education?” Experimental Methods for Educational Interventions: Prospects, Pitfalls and Perspectives, edited by G. D. Phye et al., Elsevier Press, 2005, pp. 85–112.

Valentine JC, Cooper H. Can we measure the quality of causal research in education? In: Phye GD, Robinson DH, Levin J, editors. Experimental methods for educational interventions: Prospects, pitfalls and perspectives. Elsevier Press; 2005. p. 85–112.