Research

Publications
  • Thacker, I. & Sinatra, G.M. (2019). Visualizing the greenhouse effect: Restructuring mental models of climate change through a guided online simulation. Educational Sciences, 9(1), 14.
  • Abrahamson, D., Bryant, M. J., Gutierrez, J. F., Mookerjee, A. V., Souchkova, D., & Thacker, I.E. (2009). Figuring it out: Mathematical learning as guided semiotic disambiguation of useful yet initially entangled intuitions. In S. L. Swars, D. W. Stinson & S. Lemons-Smith (Eds.), Proceedings of the Thirty-First Annual Meeting of the North-American Chapter of the International Group for the Psychology of Mathematics Education (Vol. 5, pp. 662-670). Atlanta, GA: Georgia State University. [Author names are in alphabetical order]
Work Under Review
  • Thacker, I., Muis, K.R., Danielson, R.W., Sinatra G.M., Pekrun, R., Winne, P.H., & Chevrier, M. (revise and resubmit). Using attitudinally-augmented refutation texts to prompt attitudinal and conceptual change. Journal of Educational Psychology.
  • Thacker, I. (under review). Not Too Slippery a Slope: Grounding the Mathematics of Slope in Students' Perceptions of Steepness. Research in Mathematics Education.
  • Copur-Gencturk, Y., Thacker, I., & Junk, D.L. (under review). Teachers' self-reports of knowledge gains compared with validated measures: Relationships among self-reports, direct assessments, and teacher characteristics. AERJ.
  • Kim, A.Y. & Thacker, I. (revise and resubmit). A good sine?: Seeking math help using online discussion boards. E-Learning and Digital Media.
  • Copur-Gencturk, Y., Robinson-Cimpian, J. P., Lubienski, S. T., & Thacker, I. (revise and resubmit). Mathematics Teachers' Bias Against the Mathematical Ability of Female, Black and Hispanic Students. Educational Researcher.
Work in Progress
  • Thacker, I., Sinatra, G., & Rasiej, R. (in preparation). Teachers' Beliefs About Mathematical Knowledge and Knowing and their Influence on Mathematics Instruction. Manuscript in preparation
  • Copur-Gencturk, Y., & Thacker, I. (in preparation). K-8 Mathematics Teachers' Overall and Gender-Specific Beliefs About Mathematical Aptitude. Manuscript in preparation.
  • Rodriguez, J., & Thacker, I. (in preparation). Using Refutation Texts to Shift Misconceptions about Fraction Multiplication. Manuscript in preparation.