Students think that the mathematical function that executes on the return line results in a change to the variable's value that will be saved for later use. More about this tip Tags Content Misconceptions CS 1 Intro Programming External Source "Exploring programming misconceptions: an analysis of student mistakes in visual program simulation exercises" by Teemu Sirkiä and Juha Sorva. Other Tips By Other Tips By Juha Sorva Juha Sorva