Fritz, C. O. and Morris, P. E. (2018) Effect size. In: Frey, B. (ed.) Frey, BruceSAGE Encyclopedia of Educational Research, Measurement, and Evaluation. Thousand Oaks: Sage. pp. 577-578.

Fritz, C. O. and Morris, P. E. (2018) Eta squared. In: Frey, B. (ed.) Frey, BruceSAGE Encyclopedia of Educational Research, Measurement, and Evaluation. Thousand Oaks: Sage. p. 607.

Fritz, C. O. and Morris, P. E. (2018) Interaction. In: Frey, B. (ed.) Frey, BruceSAGE Encyclopedia of Educational Research, Measurement, and Evaluation. Thousand Oaks: Sage. pp. 849-853.

Fritz, C. O. and Morris, P. E. (2018) Standard deviation. In: Frey, B. (ed.) Frey, BruceSAGE Encyclopedia of Educational Research, Measurement, and Evaluation. Thousand Oaks: Sage. p. 1587.

Morris, P. E., Fritz, C. O., Smith, G., Cherchar, A., Crockett, R. G. M., Roe, C. A., Collings, R., Hill, K. M., Saunders, D., Anderson, M. and Atkinson, L. (2015) In defence of inferential statistics.The Psychologist.28(5), pp. 338-339. 0952-8229.

Fritz, C. O., Morris, P. E., Crowther, V.-L. and Benn, N. (2014) The influence of early questions on learning from text. Poster presented to: 55th Annual Meeting of the Psychonomic Society, Long Beach, California, 20-23 November 2014. (Unpublished)