Childs, R.A., Broomes, O. and Herbert, M.B. 2018. Deciding Whether to Respond: A Latent Class Analysis of Nonresponse on Ontario’s Grade 9 Assessment of Mathematics. Alberta Journal of Educational Research. 64, 1 (May 2018), 70–87. DOI:https://doi.org/10.11575/ajer.v64i1.56472.