Abstract, conclusion

Abstract, title page, and conclusion
the abstract can be 4 sentences:

a) State the purpose of the research paper.
b) State the research question.
c) State the hypothesis/assumption (The author assumes… ).
d) State the definitions of your main variable.
e) Results from 4 journal articles in your literature review section.

Example of Abstract and title page
https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/general_format.html