This study documented efforts to facilitate ideas of beginning inference in novice<br>grade 7 students. A design experiment allowed modified teaching opportunities in<br>light of observation of components of a framework adapted from that developed by<br>Pfannkuch for teaching informal inference with box plots. Box plots were replaced by<br>hat plots, a feature available with the software TinkerPlotsTM. Data in TinkerPlots<br>files were analyzed on four occasions and observed responses to tasks were<br>categorized using a hierarchical model. The observed outcomes provided evidence of<br>change in students' appreciation of beginning inference over the four sessions.<br>Suggestions for change are made for the use of the framework in association with the<br>intervention and the software to enhance understanding of beginning inference.
The CAUSE Research Group is supported in part by a member initiative grant from the American Statistical Association’s Section on Statistics and Data Science Education