In a study of older people with sisters and brothers, psychologist Debra Gold of the Duke Center for the study of aging and human development found that about 20% said they were hostile or indifferent to ward their sisters and brothers.
出自-2014年6月听力原文
As sisters and brothers advanced into old age, closeness increases and rivalry diminishes, explains VC, a psychologist at Purdue University
出自-2014年6月听力原文
When Boston College, a private research university, wanted a better feel for its potential donors, it asked the psychologist Robert Kenny to investigate the mindset of the super-rich.
出自-2013年12月阅读原文