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Open Science for Veterinary Education Research

The “reproducibility crisis” (also known as the replication crisis) is the name given to a phenomenon of concern in research. It describes the recent findings that many pieces of published research may not be reliable, or even claimed as “false findings” (1). There may be many underlying reasons for this, from the innocent: a lack of understanding of statistical analysis or research design (2, 3); to the concerning: researchers may be consciously or unconsciously obscuring or concealing findings to publish research that may otherwise not be of publishable quality (4–6). In practice, this has resulted in many eye-catching claims published in high-impact journals being shown to be poorly replicated (7). The reproducibility crisis first gathered steam in the psychological and applied behavioral sciences (8). Itis now receiving attention in the “harder” sciences, including quantum computing (9) and there has been large-scale investigation of replication in various cancer biology findings (10). Many researchers, particularly those educated in highly positivistic or “hard” science models (11) are familiar with the “hypothetico-deductive” model (Figure 1) of the scientific method (12). This model, alongside the highly incentivised drive for publication [“publish or perish” (13)], is vulnerable to the HARKing practice [hypothesizing after results are known (14)], which has been speculated to be a fundamental cause of the reproducibility crisis (15). After running a study and exploring the results, researchers may be tempted to retrospectively create a hypothesis to fit their findings.


INTRODUCTION
The "reproducibility crisis" (also known as the replication crisis) is the name given to a phenomenon of concern in research. It describes the recent findings that many pieces of published research may not be reliable, or even claimed as "false findings" (1). There may be many underlying reasons for this, from the innocent: a lack of understanding of statistical analysis or research design (2,3); to the concerning: researchers may be consciously or unconsciously obscuring or concealing findings to publish research that may otherwise not be of publishable quality (4)(5)(6). In practice, this has resulted in many eye-catching claims published in high-impact journals being shown to be poorly replicated (7). The reproducibility crisis first gathered steam in the psychological and applied behavioral sciences (8). Itis now receiving attention in the "harder" sciences, including quantum computing (9) and there has been large-scale investigation of replication in various cancer biology findings (10).
Many researchers, particularly those educated in highly positivistic or "hard" science models (11) are familiar with the "hypothetico-deductive" model (Figure 1) of the scientific method (12).
This model, alongside the highly incentivised drive for publication ["publish or perish" (13)], is vulnerable to the HARKing practice [hypothesizing after results are known (14)], which has been speculated to be a fundamental cause of the reproducibility crisis (15). After running a study and exploring the results, researchers may be tempted to retrospectively create a hypothesis to fit their findings.

DOES VETED NEED OPEN SCIENCE?
Veterinary education research is a necessarily interdisciplinary area of research, requiring an understanding of veterinary science, educational research, psychology, and often many other aspects, such as business research or animal welfare and ethology.
Education research, which is strongly related to the terms Scholarship of Teaching and Learning (SoTL) and Discipline Based Educational Research (DBER), explores the practices around learning and teaching to improve the experience and outcomes for educators and students (16,17). In practice, these fields all draw from educational psychology and reflective and philosophical practice to create a truly interdisciplinary field of study (18). In veterinary education research, we are mainly interested in whether veterinary students are becoming competent veterinarians, and their learning experience in that journey. The potential for doubting veterinary education research findings is one that requires careful scrutiny.
In general, veterinary education research is aiming to create as many excellent vets as possible with a positive learning experience. This is not always easy. What is "excellent" and how do we define "most"? How do we measure attainment or enjoyment? Is the students' experience in the classroom more important than what their degree enables them to do after? Issues of validity and reliability in veterinary education are already intensively discussed in veterinary assessment (19,20), but to the author's knowledge, there have been no published reports on the reproducibility of research findings in veterinary education. We do know, however, that within the veterinary education community, there are concerns regarding the quality of research (21), particularly in how best to support new researchers into the discipline. It may be fair to say that this is a good time in the field of veterinary research to reflect on our practice and explore what can be done to facilitate better research in future. With more veterinary programmes opening in the United Kingdom (22), we are wellplaced to pay attention to the developments in related fields, and make use of their own experiences to improve the quality and experience of the veterinarians under our care.
Questionable research practices have been defined (5) as including: failing to report all of a study's dependent measures, failing to report all of a study's conditions, collecting more or less data during analysis to support a hypothesis, rounding pvalues, claiming to have expected unusual findings (HARKing), claiming that demographics have no impact on data, and outright falsification of data. These practices have recently been found to be prevalent among education researchers (23). It is important here to ensure that the push to open research practices does not turn into a witch hunt. While there is little peer-reviewed literature on this, there are some concerning reports that the open research movement may negatively impact researchers careers (24). These concerns should be heard, and act as a guide for how we respond to unsettling claims about questionable research practices. These findings should be viewed as feedback with which we can make better decisions as a field. Open science practices are a "carrot" which should incentivise us to produce more replicable, more robust findings, not a "stick" that will punish researchers for falling out of line.

WHAT CAN VETED DO WITH OPEN SCIENCE?
The manifesto for reproducible science (15) details a range of approaches that can be used to support more open research practices. For veterinary education, there are a number that can be integrated into our current practice.

Improve Methodology
The manifesto promotes improving methodological training and facilitating access to methodology support. Due to the interdisciplinary nature of veterinary education research it is important that this includes collaborations with relevant practitioners. Collaboration is another key element of the manifesto. This should be supported by vet schools, and supported through the community of practice built up around veterinary education research [see (21,25)]. Supporting research across fields and schools can support multi-site comparisons and replication across different cohorts. In light of its interdisciplinary nature, it is particularly important for veterinary education research to consider methodology. Many researchers may not be familiar with the various assumptions and biases inherent within theoretical stances, and feel uncomfortable evaluating or conducting research outside of their own wheelhouse. The flow of ontology to epistemology to theoretical perspective to methodology and methods (26) is often not made clear in researcher training, or indeed in the reporting studies, which is often subject to undisclosed and unrecognized bias (27,28). Good quality qualitative research is not necessarily replicable in the standard framing of the replication crisis [although a characterization of replication is a study which could be considered diagnostic evidence for an existing claim (29)]. Instead, good qualitative research often aims to produce useful models for future work (30,31). Veterinary education research should be aware of the strengths and limitations of different methodological approaches, and recognize no one approach can capture the entirety of the human experience. While individual researchers cannot be expected to master the gamut of research approaches that are applicable to veterinary education research, the field should aim to cultivate a range of approaches, seeking out collaboration where appropriate, and peer review from experts in methodology alongside subject expertise.

Reporting and Dissemination
To facilitate the clearer reporting of findings, pre-registering, sharing analyses, and pre-printing can be useful tools. Preregistering is the practice of declaring the research design and intended analyses prior to collecting data. It is very similar to what is requested in most ethical applications, and aims to prevent HARKing or other post data-collection tampering. Preregistering does not preclude adapting studies, as you can log why and when changes to protocol were made. While preregistering was initially considered for study designs more like randomized controlled trials, there are now a wide range of preregistration templates including qualitative pre-registrations and open-ended registrations for large multi-design projects. A range of potential pre-registration templates can be found on the Open Science Foundation registries website: https://help.osf.io/hc/enus/articles/360019738794-Select-a-Registration-Template.
Pre-registering can also encourage the sharing of analyses. This can be as simple as a description of what variables and what tests you intend to use. However, as more opensource powerful statistical softwares become available such as R, Python and Julia, it is becoming more possible to share full analyses. This allows other researchers to investigate every step of the process, and can also be a great advantage when the data itself cannot be shared, such as in the case of sensitive student data (32,33). The production and sharing of reproducible workflows not only benefits the individual researcher, but supports the reproducibility of findings overall (34).
To further support dissemination, researchers can also make use of meta-data such as the OrcID (Open Research & Contributor ID) which allows for tracking of research across changes of name, institution, and different archival systems, eliminating ambiguity in citations (35). While not necessary, they are particularly valuable for early career researchers, or those who may be moving between disciplines, allowing them to "tag" their work across a range of specialities and institutions.
Data sharing is another aspect of reporting which supports openness within education research. While data sharing is highly prevalent in some fields, there are complex ethical considerations regarding human data within social science contexts (32,36). Where participants are informed and have consented to share their data, and where reasonable precautions are taken regarding ethical concerns (37), sharing data can help reduce unnecessary data collection, support the development of researchers in areas like the Global South (38), and help to catch errors within the research process (39).
Finally, dissemination and reporting can be further improved through pre-printing, the process of making articles available prior to peer-review. Pre-printing has a host of benefits (40,41) including enhancing sight of the findings and facilitating open review, improving the transparency of peer review, and facilitating the publication of controversial findings. Pre-printing also allows for the sharing of author's final version manuscripts, as they can be updated post peer-review. This will support the availability of research beyond paywalls. Unfortunately, not all journals support pre-printing. In the author's experience, both Medical Teacher and Journal of Veterinary Medical Education have in 2020-2021 discouraged the use of pre-printing by considering it prior-publication, thus making pre-printed papers unable to be published by those journals. However, other journals, such as Frontiers in Veterinary Science support the use of open publishing approaches. Researchers must be cautious in pre-printing to ensure they are not inadvertently cutting themselves off from their desired audience, but should also participate in journal communities to encourage pre-printing where appropriate.

DISCUSSION AND CONCLUSIONS
Veterinary education research is a field which is continuing to grow and develop. It is well-placed to learn from the reproducibility crises in psychology and medicine, and to integrate these lessons into its own practice. Reproducibility is an essential component of good, robust research. This is particularly important in a field like veterinary education research which seeks to produce competent veterinarians. It is vital we continue to look to other fields and incorporate their hard-won revolutions into our own practice.

AUTHOR CONTRIBUTIONS
The author confirms being the sole contributor of this work and has approved it for publication.