Research and media firm youth culture publishes watch magazine, a teen publication distributed free to high school students. unfortunately, the publication was unable to gauge whether it was meeting the needs of its audience. youth culture handed out surveys to learn how students felt about the publication. feedback indicated teen boys and girls were demanding very different things from the publication. this feedback was gleaned from data.

The feedback from the teen boys and girls was gleaned via empirical data.

Explanation:

Empirical data is data that is collected from the research subjects themselves and that functions as evidence of a certain phenomenon or social problem. It is data that the researcher in some way observed, assessed, or measured.  Surveys are a common technique used by researchers in trying to gain insights into what a population thinks or feels about a product, for example. Other empirical research techniques for gathering data are interviewing and focus groups.

unless they converted, many non-christians (mainly jews and muslims) were persecuted