Cathy and Sherri had to finish all of their vegetables before they could have dessert. Cathy complained that Sherri didn't have as much to finish as she did, even though both girls had the same amount (Cathy's vegetables were just more spread out). Cathy's error stems from a failure to understand the concept of

Question

Quizplus · Accepted Answer

Cathy's error is due to a lack of understanding of conservation, which is the concept that quantity remains the same despite changes in shape or arrangement.

Cathy and Sherri Had to Finish All of Their Vegetables