Correction to: Int J of Sci and Math Educ

https://doi.org/10.1007/s10763-016-9775-1

This correction stands to correct “Acknowledgements” in the original article. The author acknowledges that the work described in the article was part of his doctoral dissertation entitled “Exploring preservice middle and high school mathematics teachers’ understanding of directly and inversely proportional relationships” which he conducted under the guidance of Dr. Andrew Izsák at the University of Georgia, Athens, GA.