

But the data will be the same regardless of who is conducting the experiment. Changing the population that you conduct the experiment on is changing variables. Interpretation of the data may change depending on whether the experimenter is athiest or Christian.
No the point of science is to test theories. Data can confirm or de confirm a theory. So, part of science is data collection. In fact, the data colllection is the most important part, otherwise it’s just theory and philosophizing.