The part of a research paper that gives an overview of the field to be investigated and the investigator's hypotheses about the research outcome is called

The introduction gives an overview of the field and states the investigator's hypotheses about the outcome.

It sets the context, reviews relevant work, and leads to the research problem.

The abstract is a short standalone summary of the whole paper.

The results section reports findings, not expectations set beforehand.

The method section describes design, participants and procedure.

Hypotheses stated in the introduction guide the analysis that follows.