Question

what is scientific approach

Answer 1

at the levels which the science has arroached.

Answer 2

Poodry It's time to apply our scientific thinking to designing diversity programs. ... Despite our scientific training, when we think about ways to build a more diverse biomedical research workforce, we may base our ideas on sentiments and preconceptions

The process of the scientific method involves making conjectures (hypotheses), deriving predictions from them as logical consequences, and then carrying out experiments or empirical observations based on those predictions. A hypothesis is a conjecture, based on knowledge obtained while seeking answers to the question.