You don’t need to cut each piece by yourself from scratch.
Rather, you can take the pieces that other researchers have “cut” and put them together to build a framework on which to hang your own “books”—that is, your own study methods, results, and conclusions.
This means that sometimes a scientific literature review can be highly theoretical, in addition to focusing on specific methods and outcomes of previous studies.
In addition, all of its sections refer to the literature rather than detailing a current study.
They can also exist as part of a larger work or stand on their own.
The two types of literature reviews commonly found in journals are those introducing research articles (studies and surveys) and stand-alone literature analyses.
the results obtained from studies using stories and word lists as stimuli can be generalised to forensic contexts.” …
“That is, the differences found between individuals and groups could simply be due to the participants giving their reports for a second time …” …
The literature is often indistinguishable from the Introduction itself—the literature is INTRODUCING the background and defining the gaps your study aims to fill.
The literature review published as its own article presents and analyzes as many of the important texts in an area of study as possible to provide background information and context for a current area of research or a study.