What is an advantage of leaving columns blank in a chart for students?

Leaving columns blank in a chart can significantly benefit students by promoting active engagement with the material and encouraging them to set purposes for their reading. When students encounter a chart with blank columns, it invites them to think critically about the information represented and consider what details or data should be included. This process helps them identify key points they need to focus on while reading, which aligns with setting specific goals or purposes for their comprehension.

For instance, when students know they will need to fill in the blanks, they are more likely to concentrate on relevant information, hone their analytical skills, and enhance their ability to summarize and evaluate content as they read. This strategy encourages an interactive form of learning, fostering both critical thinking and retention of knowledge, as students take a more active role in their educational experience.