Researchers must conduct a literature review before beginning any research project to learn from past studies, avoid duplicating work, and help define a hypothesis. A literature review allows researchers to learn what has already been discovered, how previous studies were conducted, and what methods were used. Failing to review existing literature can be as detrimental as failing to properly plan or execute other research steps.

1. 
 Researchers who conduct studies under the guidelines of
scientific research never begin a research project without
first consulting available literature to learn what has been
done, how it was done, and what results were found.
Experienced researchers consider the literature review to
be one of the most important steps in the research
process. It allows them to learn from (and eventually add
to) previous research and saves time, effort, and money.
Failing to conduct a literature review is as detrimental to
a project as failing to address any of the other steps in the
research process.
10/14/2022
Literature Review
Muhammad Awais
(facebook.com/awwaiis)

2. 
 Before they attempt any project, researchers should ask these
questions:
 •What type of research has been done in the area?
 •What has been found in previous studies?
 • What suggestions do other researchers make for further
study?
 •What has not been investigated?
 •How can the proposed study add to our knowledge of the
area?
 •What research methods were used in previous studies?
 Answers to these questions will usually help define a specific
hypothesis or research question.
10/14/2022
Muhammad Awais
(facebook.com/awwaiis)