How textbook visuals can hurt learning.

• Position: Education - Brief article

Adding captivating visuals to a textbook lesson to attract children's interest sometimes may make it harder for them to learn, suggests a study appearing in the Journal of Educational Psychology. Researchers found that six- to eight-year-old children best learned how to read simple bar graphs when the graphs were plain and a single color. Those who were taught using graphs with images (like shoes or flowers) on the bars did not learn the lesson as well and sometimes tried counting the images rather than relying on the height of the bars.

"Graphs with pictures may be more visually appealing and engaging to children than those without pictures. However, engagement in the task does not guarantee that children are focusing their attention on the information and procedures they need to learn. Instead, they may be focusing on superficial features," say psychologists Jennifer Kaminski and Vladimir Sloutsky, coauthors of the study.

When the authors...