A latent profile analysis of math achievement, numerosity, and math anxiety in twins
Journal of Educational Psychology (2016) - Comment
pubmed: 26957650  doi: 10.1037/edu0000045  issn: 0022-0663  issn: 1939-2176 

Sara A. Hart, Jessica A. R. Logan, Lee Thompson, Yulia Kovas, Gráinne McLoughlin, Stephen A. Petrill