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Chapter 1 Introduction

The initial step in any bibliometric study is one of logic, primarily Boolean logic (Figure 1), used to ensure that the bulk of those publications harvested in the study are relevant to the question at hand. In this case, geometric morphometrics in archaeology is the topic of interest; thus, the query employed for this study was “geometric morphometric” AND (archeology OR archaeology), which yielded 103 results in Scopus.

knitr::include_graphics(rep("./figs/boolean.png"))

Figure 1.1: Example of query results that employ Boolean operators. The structure of the query used in this study most closely matches the second venn diagram from the right.

1.1 PRISMA

While neither a formal systematic review or a meta-analysis his study enlisted the work-flow of the Preferred Reporting Items for Systematic Reviews and Meta-Analysese (PRISMA) (Liberati et al. 2009), as a means of improving reporting. There is no shortage of unindexed publications on the topic in question; however, the focus of this particular study relied only on those works included in Scopus, which includes a complementary record for the cited works from each publication. The single publication omitted from the study did not include an application of geometric morphometrics; rather, it discussed how the methods of geometric morphometrics might be applied.

# PRISMA flow diagram
# install.packages("PRISMAstatement") #if not installed, remove the hash at the beginning of this line
library(PRISMAstatement)
prisma(found = 103,
       found_other = 0,
       no_dupes = 103, 
       screened = 103, 
       screen_exclusions = 6, 
       full_text = 97,
       full_text_exclusions = 0, 
       qualitative = 97, 
       quantitative = 97)

References

Liberati, Alessandro, Douglas G. Altman, Jennifer Tetzlaff, Cynthia Mulrow, Peter C. Gotzsche, John P. A. Ioannidis, Mike Clarke, P. J. Devereaux, Jos Kleijnen, and David Moher. 2009. “The Prisma Statement for Reporting Systematic Reviews and Meta-Analyses of Studies That Evaluate Health Care Interventions: Explanation and Elaboration.” PLoS Med 6 (7): e1000100. https://doi.org/10.1371/journal.pmed.1000100.