You can request people to fill in questionnaires or take interviews, sift through them and retain whatever is necessary.

你可以让人们填写问卷或者进行访谈，从中筛选并且保留你所需的信息。

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Conduct specific survey and collect adequate data about the current condition of recruitment, through a series of questionnaires.

并通过问卷调查的方式对员工招聘现状进行了详细的调查与数据的搜集。

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Self-service questionnaires through web services such as Survey Monkey, through which a company can write its own questions and then be presented with the raw data.

通过网络服务的自助问卷调查，例如调查猴，通过调查猴公司可以写自己的问题，然后提出了原始数据。

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Ithai and Jim examined these tactics constructing and using an elaborate database on 1822 top executives, measuring their ingratiation behavior (assessed through questionnaires) and various other variables.

FORBES: Six Scientific Ways to Suck up Successfully

Data were collected through questionnaires, individual and group interviews, document analyses, participative observations and literacy and numeracy assessments.

UNESCO: Country Profile: Angola

She organised research to try to find out how much families spend in the aftermath of a killing, distributing detailed questionnaires through the victims of crime who have set up support and campaign groups to try to help others.

BBC: Hidden costs to crime victims