20世纪是人类在对物质世界的认识上取得重大进步的百年。随着人类探索的足迹已从地球延伸到宇宙 ,人类开始日益关注自身的内部世界———心理活动及其规律。许多学者认为 ,心理学将成为 2 1世纪的“显学”。经过 2 0世纪百年的探索 ,心理学已有长足的发展。特别是近几十年来 , The 20th century is a century of great progress made by humankind in understanding the physical world. As the footprints of human exploration have extended from the earth to the universe, human beings have begun to pay more and more attention to their own internal world --- their psychological activities and their laws. Many scholars believe that psychology will become the 21st century “significant study.” After a century of exploration in the 20th century, psychology has made great strides. Especially in recent decades,