The authors interview and survey a pool of millionaires, attempting to find common connections among them.

作者调查和采访了很多百万富翁，试图找到他们之间的普遍联系。

youdao

Survey, interview, or observation research where Federal statutes require without exception that confidentiality will be maintained.

联邦法令中没有特别规定需要保密的调查、访谈或观察等研究。

youdao

This paper synthetically USES the research methods of culturology, questionnaire survey, interview and the observation method during the research.

研究方法上，本研究综合运用文化学研究方法、问卷调查法、访谈法、观察法等研究方法。

youdao

The data come from the European Health Interview Survey (EHIS) and was published by Eurostat, the statistical office of the European Union.

BBC: UK women are 'fattest in Europe'

The researchers examined the records of almost 217, 000 Americans who participated in the National Health Interview Survey between 1997 and 2004.

FORBES: The Smoking Gun: Women Catch Up To Men On Lung Cancer Risk

National statistics on smoking are provided by two federal surveys, the National Health Interview Survey (NHIS) and the National Survey on Drug Use and Health (NSDUH).

FORBES: Are Federal Taxes Driving Smokers to Stop Lighting Up?