单词：experimenter expectancy effect
单词：experimenter expectancy effect 相关文章
A new study predicts that South Korean women will be the first group in the world to have an average lifespan of more than 90 years. Researchers at Imperial College London and the World Health Organization studied the lifespans of people in 35 indust
2017年VOA慢速英语(二)月
They discovered that when a famine was able to trigger an effect was different for the grandmother than the grandfather. The grandmother appeared susceptible while she herself was still in the womb, w
基因外遗传现象
By Melinda Smith Washington 17 September 2007 The U.S. Centers for Disease Control and Prevention has released figures that show Americans are living longer. Experts attribute the longevity to better treatment for heart disease, cancer and stroke --
2007年VOA标准英语（九月）
By Vidushi Sinha Washington 02 November 2009 Global life expectancy can be increased by almost five years and millions of premature deaths prevented if five risk factors affecting health are addressed, according to a report by the World Health Organ
VOA标准英语2009年(十一月)
LOS ANGELES, July 28 (Xinhua) -- Mainly due to rampant obesity, Americans' life expectancy is one-and-a-half-year shorter than that of Western Europeans on the average, according to a new study published on Thursday. But 40 years ago, Americans could
英语新闻
BEIJING, Aug. 9 (Xinhua) -- China's average life expectancy rose to 74.83 years as of the end of 2010, according to the National Bureau of Statistics (NBS). The NBS used data from the sixth national census to calculate the figure, which is 3.43 years
英语新闻