An aspect of the media landscape that has been highlighted by the COVID-19 pandemic has been the increasing role of media organisations in presenting and undertaking their own, often complex, data analyses. In this cross-post Irineo Cabreros, discusses…
Category: reproducibility
Retractions: the good, the bad, and the ugly. What researchers stand to gain from taking more care to understand errors in the scientific record
Retractions play an important role in research communication by highlighting and explaining how research projects have failed and thereby preventing these mistakes from being repeated. However, the process of retraction and the data it produces is often sparse or incomplete. Drawing on evidence from 2046 retraction records, Quan-Hoang Vuong discusses the emerging trends this data … Continued
The overall incidence of published replication studies in economics is minuscule – greater incentives are required
Replicability is considered a hallmark of good scientific practice, an important post-publication quality check. But how many studies are chosen for replication? Frank Mueller-Langer, Benedikt Fecher, Dietmar Harhoff, Gert G. Wagner have examined the economics literature and find that only one in one thousand publications are replication studies. The introduction of mandatory data disclosure policies may help to increase the […]
Contrary to common belief, randomised controlled trials inevitably produce biased results
Much of the social and medical sciences depend on randomised control trials. But while this may be considered the foundational experimental method, a certain degree of bias inevitably arises in any trial; whether this is sample bias, selection bias, or measurement bias. This is important as the level of validity of a trial’s causal claims can be a matter of […]
To save the research literature, let’s make literature reviews reproducible
Last week the Impact Blog featured a post from Richard P. Phelps, in which he proposed that journals get rid of their requirement for a literature review. Arnaud Vaganay agrees with much of what Phelps said, literature reviews are erratic and self-serving, but suggests doing away with them altogether is likely to make science less efficient and less credible. Instead, […]
Journal data sharing policies are moving the scientific community towards greater openness but clearly more work remains
Data sharing is a key part of the drive towards greater openness in scientific research, allowing readers to reproduce and confirm an article’s findings, or even reuse its data as part of a new study. Many journals have policies requiring researchers to share their data in full, with PLOS being a forerunner in this area. But how effective has the […]
Software updates: the “unknown unknown” of the replication crisis
The replication crisis is largely concerned with known problems, such as the lack of replication standards, non-availability of data, or p-hacking. One hitherto unknown problem is the potential for software companies’ changes to the algorithms used for calculations to cause discrepancies between two sets of reported results. Anastasia Ershova and Gerald Schneider encountered this very problem in the course of […]
Six principles for assessing scientists for hiring, promotion, and tenure
The negative consequences of relying too heavily on metrics to assess research quality are well known, potentially fostering practices harmful to scientific research such as p-hacking, salami science, or selective reporting. The “flourish or perish” culture defined by these metrics in turn drives the system of career advancement in academia, a system that empirical evidence has shown to be problematic […]
We need more carrots: give academic researchers the support and incentives to share data
Making data available for other researchers to find, use, reuse, and reproduce is fundamental to open science, and ultimately makes research more efficient and effective. Yet despite funder policies that encourage and require data sharing, researchers in both the UK and the US report lower percentages of data sharing than the global average. In addition to progressive policies, Grace Baynes […]
What factors do scientists perceive as promoting or hindering scientific data reuse?
Increased calls for data sharing have formed part of many governments’ agendas to boost innovation and scientific development. Data openness for reuse also resonates with the recognised need for more transparent, reproducible science. But what are scientists’ perceptions about data reuse? Renata Gonçalves Curty, Kevin Crowston, Alison Specht, Bruce W. Grant and Elizabeth D. Dalton make use of existing survey […]