1918-1959, worked at Uni. of California. His stay at Uni. of California was interrupted, when he was dismissed for refusing to sign a loyalty oath. He led a fight against the loyalty oath as an infringement （违反，侵害） on academic freedom and was

第一节 群体对个体的意义 第二节 合作的根源 合作与竞争人格倾向的测量

Wertheimer came to the United States in 1933, shortly before the Nazis seized power in Germany

“Any subject can by taught effectively to any child at any stage of development

“If I had to reduce all educational psychology just one principle, I would say this: The most important single factor influencing learning is what the learner already knows. Ascertain this and teach him accordingly

The primary purpose of school is to give students the skills and knowledge necessary for them to function effectively as adults in reality

福州大学：《发展心理学》课程教学资源（教案讲义）11 成年晚期心理的变化

福州大学：《发展心理学》课程教学资源（教案讲义）10 成年中期心理的发展

福州大学：《发展心理学》课程教学资源（教案讲义）09 成年早期心理的发展

福州大学：《发展心理学》课程教学资源（教案讲义）08 青少年心理的发展