The complete set of activities for Experiment 2. Asterisks indicate changes from Experiment 1. From top to bottom, these are: requiring students to graph a histogram, replacing the qualitative problems, including prompts in half the insight problems and eliminating the IQ problem, eliminating a graphing activity, providing direct instruction through a homework assignment, and increasing the time for the standardized score activities so students in both conditions could work on problems from both grading and sports contexts. Finally, four classroom teachers taught the curriculum instead of the researchers