用obtain data造句子，“obtain data”造句

The researchers used questionnaires and interviews to obtain data regarding the subject's drinking and impulsive behavior, so they could determine if there was a correlation between the two.

So far, these are operations only to obtain data from on-line storage.

Parents or guardians were surveyed using a standardized self-administered questionnaire to obtain data on crowding in the household, parents' educational level and the child's health status.