![Math Ed Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/062/351/small/math-ed-podcast.jpg)
Summary: Rick Cangelosi from Washington State University discusses the article, "The negative sign and exponential expressions: Unveiling students' persistent errors and misconceptions," from the Journal of Mathematical Behavior, Volume 32. (Co-authors: Madrid, Cooper, Olson, Hartter) link to article See the comments for references mentioned in the interview.