Preprints (not yet peer-reviewed)

231 downloads
3,676 views

The website Sci-Hub provides access to scholarly literature via full text PDF downloads. The site enables users to access articles that would otherwise be paywalled. Since its creation in 2011, Sci-Hub has grown rapidly in popularity. However, until now, the extent...

["Bioinformatics","Legal Issues","Science and Medical Education","Statistics","Computational Science"]
doi:10.7287/peerj.preprints.3100v1
35 downloads
254 views

Background Publication bias is a form of scientific misconduct. It threatens the validity of research results and the credibility of science. Although several tests on publication bias exist, no in-depth evaluations are available that suggest which test to use...

["Ethical Issues","Science Policy","Statistics"]
doi:10.7287/peerj.preprints.3059v1
18 downloads
140 views

Population genetic analyses of the invasive pantropical earthworm P. corethrurus populations will contribute significantly to better understand the ecology and especially the reproductive system of this species. Using 34 polymorphic ISSR markers the genetic diversity...

["Ecology","Genetics","Molecular Biology","Soil Science","Statistics"]
doi:10.7287/peerj.preprints.3024v1
454 downloads
2,127 views

This essay proposes mathematical answers to meta-scientific questions including "how much knowledge is produced by research?", "how rapidly is a field making progress?", "what is the expected reproducibility of a result?", "what do we mean by soft science?", "what...

["Computational Biology","Evolutionary Studies","Science Policy","Statistics","Computational Science"]
doi:10.7287/peerj.preprints.1968v3
486 downloads
404 views

We previously reported over 150 inconsistencies in a series of four articles (the "pizza papers") from the Cornell Food and Brand Lab that described a study of eating habits at an all-you-can-eat pizza buffet. The lab's initial response led us to investigate more...

["Ethical Issues","Science Policy","Statistics"]
doi:10.7287/peerj.preprints.3025v1
783 downloads
4,099 views

The widespread use of 'statistical significance' as a license for making a claim of a scientific finding leads to considerable distortion of the scientific process (according to the American Statistical Association). We review why degrading p-values into 'significant'...

["Science Policy","Statistics"]
doi:10.7287/peerj.preprints.2921v2
68 downloads
111 views

Background. The Ebola Virus Disease (EVD) is a highly infectious disease that has claimed over 25,000 cases in the past 50 years. While many past outbreaks of EVD resulted in relatively few incidents, the 2014 outbreak in West Africa was the most deadly occurrence...

["Virology","Epidemiology","Infectious Diseases","Statistics"]
doi:10.7287/peerj.preprints.3021v1
175 downloads
430 views

Meta analysis refers to a process of integration of the results of many studies to arrive at evidence syn- thesis. Meta analysis is similar to systematic review; however, in addition to narrative summary that is conducted in systematic review, in meta analysis,...

["Epidemiology","Evidence Based Medicine","Health Policy","Public Health","Statistics"]
doi:10.7287/peerj.preprints.2978v1
11 downloads
120 views

Objective: The objective of this work is to obtain validity evidence for an evaluation instrument used to assess the performance level of a mastoidectomy. The instrument has been previously described and had been formulated by a multi-institutional consortium....

["Otorhinolaryngology","Science and Medical Education","Statistics"]
doi:10.7287/peerj.preprints.2954v1
18 downloads
172 views

Background: Respondent fatigue, also known as survey fatigue, is a common problem in the collection of survey data. Factors that are known to influence respondent fatigue include survey length, survey topic, question complexity, and open-ended question type. There...

["Anaesthesiology and Pain Management","Global Health","Statistics","Human-Computer Interaction"]
doi:10.7287/peerj.preprints.2939v1
262 downloads
1,326 views

1. Stable isotope analysis is a widely used tool for the reconstruction and interpretation of animal diets and trophic relationships. Analytical tools have improved the robustness of inferring the relative contribution of different prey sources to an animal’s diet...

["Computational Biology","Ecology","Ecosystem Science","Zoology","Statistics"]
doi:10.7287/peerj.preprints.1950v3
22 downloads
354 views

Pedigrees, though straightforward and versatile, lack the ability to tell us information about many individuals. Though numerical systems have been developed, there is currently no system to quantify the probability of a pedigree following certain inheritance systems....

["Bioinformatics","Genetics","Mathematical Biology","Statistics"]
doi:10.7287/peerj.preprints.2871v5
57 downloads
224 views

A measure of statistical evidence should permit the sample size determination so that the probability M of obtaining (strong) misleading evidence can be held as low as desired. On this desideratum the p-value fails completely, as it leads either to an arbitrary...

["Bioinformatics","Epidemiology","Statistics"]
doi:10.7287/peerj.preprints.2869v1
50 downloads
161 views

Mutualistic communities play an important role in biodiversity preservation. They are modeled as bipartite networks and measurements of centrality and degree help to order species and their relative importance for network robustness. Identifying the most endangered...

["Ecology","Ecosystem Science","Statistics"]
doi:10.7287/peerj.preprints.2855v1
33 downloads
183 views

We studied the effect of linearization on the repeatability of the Tofts and reference region models (RRM) for Dynamic Contrast-Enhanced MRI (DCE MRI). We compared the repeatabilities of these two linearized models, the standard non-linear version, and semi-quantitative...

["Mathematical Biology","Radiology and Medical Imaging","Statistics"]
doi:10.7287/peerj.preprints.2824v1
What is a PeerJ Preprint?

A PeerJ Preprint is a draft of an article, abstract, or poster that has not yet been peer-reviewed for formal publication. Submit a draft, incomplete, or final version of your work for free.

Submissions today can be approved by Editorial Staff and online in 24 hours.

Establish precedent. Solicit feedback. Publish updates.

Top subject areas - Preprints

Top subject areas - People

View all subject areas