This it can be regarded as background information

This
master’s thesis aim is to contribute to the science by applying a systematic
literature review. In order to make a scientific contribution, the gathered
information from the literature review and from the review of VR and AR related
online sources such as newspaper articles and blogposts will be analysed and
evaluated and at the end the outcome of the literature review will be assessed.
In this case the current state of the art of immersive systems in specific VR
and AR will be displayed in order to answer the research question.

 

The
first step of any academic research is the literature review. Reviewing the
existing literature to a specific topic is one of the most important steps of
the research. The purpose of a literature review is to identify the existing
knowledge about the research topic and frame it in a way that it can be
regarded as background information which helps to justify the conducting
research (Bryman, 2016, p. 90). Furthermore, a literature
review should display existing concepts and theories which are crucial to the
research area. Including this, the used research methods and research
strategies which are applied in those previews studies with the belonging
outcomes should be analysed (Bryman & Bell, 2015,
p. 101). Mainly, a literature review can
be distinguished between a narrative review and systematic review.  A narrative review is more the traditional
kind of literature review. By conducting a narrative literature review the
already gathered knowledge about the specific research area are displayed which
helps to introduce the new research. To sum up, a narrative literature review
is an examination of existing theories and conducted researches which relate to
the field of research and interest. The second kind of a literature review is
the systematic review. A systematic review is defined as “a replicable, scientific,
and transparent process … that aims to minimize bias through exhaustive
literature searches of published and unpublished studies and by providing an
audit trail of the reviewer’s decisions, procedures and conclusions” (Transfield et al., 2003, p.
209). This is often seen as a contrast to the traditional narrative
review. The difference between the two differentiations are that a systematic
review is more suitable for generating unbiased and comprehensive basis of the
literature. Especially, in fields in which is important to evaluate whether a
specific intercession has a benefit or not. Furthermore, a systematic review
can either use only quantitative studies or qualitative studies for summarizing
the existing literature. In case only quantitative studies are used it is
called a meta-analysis and if only qualitative studies are used it is called
meta-ethnography. In the former years, the meta-analysis was the predominant
approach. However, in the recent years the usage of qualitative studies for the
literature review gained more attention (Bryman, 2016, p. 99).

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Yet,
according to Bryman (2016) both have a similar
approach of the following steps when it comes to do a review. The first step is
the definition of the purpose and the scope of the review. The definition of
the purpose in any literature review needs a precise statement which is needed
to justify in a coherent way what kind of research the researcher looks for and
to which extend the conducted research should link to the kinds of samples.
Within this step, it is crucial to formulate a proper research question(s) as
precise as possible which helps to define the purpose of the research and
provides a more effective basis for the keyword search which represents a
crucial element in the second step. The second step is about the identification
of all relevant studies which fit to the purpose and scope of the review. In
order to find studies which are relevant for the research question it is
suggested to use a keyword search. All defined keywords should represent terms
which relate to the topic of the research. Moreover, the author underlines the
fact that is crucial to design the search strategy as transparent as possible
in order to make it replicable. The researcher has to decide which studies should
be considered and taken into account. Bryman (2016) argues that relying solely
on peer-reviewed journal articles would lead to ignoring other relevant and important
articles which did not appeared in academic journals. Even though, peer-reviewed
journal articles are easy to find, the researcher should also look for studies which
were published in other sources e.g. in non-peer-reviewed journal articles and books.
Also, the consideration of grey literature e.g. conference papers and reports are
tremendously recommended. The following step is the assessment of the examined studies
for their relevance to the research question(s).