Preprints (not yet peer-reviewed)

565 downloads
4,185 views

Background: The p-curve is a plot of the distribution of p-values reported in a set of scientific studies. Comparisons between ranges of p-values have been used to evaluate fields of research in terms of the extent to which studies have genuine evidential value,...

["Science Policy","Statistics"]
doi:10.7287/peerj.preprints.1266v4
161 downloads
109 views

Length of hospital stay (LOS) is of primary importance in health services research because it is directly related to health care management and cost of health care. In some epidemiological settings the actual length of stay is not directly observed but it is known...

["Mathematical Biology","Epidemiology","Infectious Diseases","Public Health","Statistics"]
doi:10.7287/peerj.preprints.1663v1
71 downloads
158 views

Solving an environmental problem requires stakeholder understanding and agreement. What appears to be simple problems to define become complex when data determine outcomes. This paper will describe the seven step decision logic developed for and used by US EPA...

["Environmental Sciences","Legal Issues","Science and Medical Education","Science Policy","Statistics"]
doi:10.7287/peerj.preprints.1648v1
549 downloads
1,399 views

Previous studies provided mixed findings on pecularities in p-value distributions in psychology. This paper examined 258,050 test results across 30,710 articles from eight high impact journals to investigate the existence of a peculiar prevalence of p-values just...

["Psychiatry and Psychology","Science Policy","Statistics"]
doi:10.7287/peerj.preprints.1642v2
219 downloads
251 views

Sex expression and floral morphology studies are central to understand breeding behavior and to define the productive potential of plant genotypes. In particular, the new bioenergy crop Jatropha curcas L. has been classified as a monoecious species. Nonetheless,...

["Agricultural Science","Biodiversity","Evolutionary Studies","Statistics"]
doi:10.7287/peerj.preprints.1627v1
39 downloads
141 views

The conservation and management of wild populations and ecosystems almost always involves making decisions in the face of uncertainty and risk. The application of science to the ecological decision-making process was something that the late Professor Daniel Goodman...

["Conservation Biology","Ecology","Mathematical Biology","Science Policy","Statistics"]
doi:10.7287/peerj.preprints.1583v1
228 downloads
464 views

In recent years, there is an emergence of antibiotic-resistant bacterial strains due to the indiscriminate use of antibiotics, commonly prescribed to treat infectious diseases. The increasing occurrence of antibiotic resistance has undoubtedly made bacterial infections...

["Cell Biology","Microbiology","Plant Science","Infectious Diseases","Statistics"]
doi:10.7287/peerj.preprints.1580v1
95 downloads
206 views

Extinctions and threats of extinctions in avifaunas on oceanic islands appear to be influenced by several island characteristics and introduced mammalian predators. These predators may have caused a “filter effect”; low numbers of threatened avian species on some...

["Conservation Biology","Ecology","Statistics"]
doi:10.7287/peerj.preprints.1528v1
89 downloads
202 views

The clinical utility of microbiome biomarkers depends on the reliable and reproducible nature of comparative results. Underappreciation of the variation associated with common demographic, health, and behavioral factors may confound associations of interest and...

["Microbiology","Gastroenterology and Hepatology","Public Health","Statistics"]
doi:10.7287/peerj.preprints.1512v1
194 downloads
360 views

Symbiont occurrence is influenced by host occurrence and vice versa, which leads to correlations in host-symbiont distributions at multiple levels. Interactions between co-infecting symbionts within host individuals can cause correlations in the abundance of two...

["Biodiversity","Ecology","Parasitology","Infectious Diseases","Statistics"]
doi:10.7287/peerj.preprints.1502v1
102 downloads
396 views

Background: Body Mass Index (BMI) has lost its credibility as an indicator of fatness. 3D scan and body composition details of Yajnik and Yudnik, the authors with similar BMI but very different body fat percentage was labelled as ‘YY paradox’. 3D scanners are not...

["Global Health","Public Health","Statistics"]
doi:10.7287/peerj.preprints.1476v1
126 downloads
388 views

Studies of animal behavior often rely on human observation, which introduces a number of limitations on sampling. Recent developments in automated logging of behaviors make it possible to circumvent some of these problems. Once verified for efficacy and accuracy,...

["Animal Behavior","Zoology","Statistics"]
doi:10.7287/peerj.preprints.1403v3
552 downloads
489 views

Mathematical models are frequently used to assess the impact of control interventions for Chlamydia trachomatis and other sexually transmitted infections (STIs). Modeling approaches that stratify the population by the number of sex partners often assume the transmission...

["Computational Biology","Mathematical Biology","Epidemiology","Infectious Diseases","Statistics"]
doi:10.7287/peerj.preprints.940v2
72 downloads
418 views

Retrospective confidence ratings and other judgments frequently are collected in computer-based psychology studies, but little research has investigated whether the method with which these ratings are collected influences the resulting data. To explore whether...

["Psychiatry and Psychology","Statistics","Human-Computer Interaction"]
doi:10.7287/peerj.preprints.1432v1
98 downloads
187 views

Background: School is an integral component of the life of a child and thus, quality of school life is an important part of the overall quality of life experienced by a child. Quality of school life may be an important outcome for the assessment of Health Promoting...

["Epidemiology","Pediatrics","Public Health","Statistics"]
doi:10.7287/peerj.preprints.1429v1
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