"The children who played with puzzles performed better than those who did not, on tasks that assessed their ability to rotate and translate shapes," Levine said in a statement.
What did Levine take into consideration when designing her experiment?
莱文在设计她的实验时考虑了什么?
Puzzle play was found to be a significant predictor of cognition after controlling for differences in parents' income, education and the amount of parent talk, Levine said.