The survey, undertaken by AQA exam board, found that on average the most successful pupils' heart beat reached a level that was 23.9 beats per minute (bpm) faster than normal.
The survey found that private tutors scored higher than teachers in normal schools on all the items queried: teaching skills, professional dedication and personality.
结果显示，辅导班老师在所有项目上的得分都要高于正规学校老师。
3
A survey of global fund managers in February, conducted on behalf of Bank of America Merrill Lynch, found that a net 67% were overweight equities (relative to their normal portfolio allocation).