Timothy Barker

Dr Timothy Barker

Grant-Funded Researcher (A)

School of Public Health

Faculty of Health and Medical Sciences

Eligible to supervise Masters and PhD - email supervisor to discuss availability.


Dr. Tim Barker is a Research Fellow within the JBI EBHC Research Division and is the lead researcher of the JBI Adelaide GRADE center. He is a research methodologist, animal welfare researcher and clinical epidemiologist. Tim has significant experience in systematic review and clinical guideline conduct and development. He contributes to the teaching and coordination of the JBI Comprehensive Systematic Review Training Program, the JBI Evidence-implementation Training Program and the JBI Adelaide GRADE workshop.

Tim's research interests and past experience include:
Systematic review methodology (Effectiveness, Prevalence and Incidence, Animal and Pre-Clinical Models)
Assessment of risk of bias
Guideline development using the GRADE approach

Tim is an early-career researcher who has won multiple awards during his academic life, including

1st place in the 2016 School of Animal and Veterinary Sciences ‘3 Minute Thesis’ competition at the University of Adelaide

2nd place in the 2017 School of Animal and Veterinary Sciences ‘3 Minute Thesis’ competition at the University of Adelaide

Winner of the 2018, School of Animal and Veterinary Sciences, Publication Award Incentive Scheme

2018 Nomination and Semi Finalist in the Channel 9 Young Achiever Awards

Timothy Barker conducts research investigating:

  • Evidence-based healthcare
  • Systematic review methodology
  • Animal Welfare
  • Animal Behaviour
  • Clinical guideline development methods
  • Evidence transfer and knowledge translation
  • Journals

    Year Citation
    2022 Tricco, A. C., Khalil, H., Holly, C., Feyissa, G., Godfrey, C., Evans, C., . . . Munn, Z. (2022). Rapid reviews and the methodological rigor of evidence synthesis: a JBI position statement. JBI evidence synthesis, 20(4), 944-949.
    DOI
    2022 Migliavaca, C. B., Stein, C., Colpani, V., Barker, T. H., Ziegelmann, P. K., Munn, Z., & Falavigna, M. (2022). Meta-analysis of prevalence: I<sup>2</sup> statistic and how to deal with heterogeneity. Research Synthesis Methods, 13(3), 5 pages.
    DOI Scopus1 WoS1 Europe PMC1
    2022 Aromataris, E., Stern, C., Lockwood, C., Barker, T. H., Klugar, M., Jadotte, Y., . . . Munn, Z. (2022). JBI series paper 2: tailored evidence synthesis approaches are required to answer diverse questions: a pragmatic evidence synthesis toolkit from JBI. Journal of Clinical Epidemiology, S0895-4356(22)00089-0.
    DOI
    2022 Lee, T. J., Krishnan, G., Ooi, E. H., & Barker, T. H. (2022). Effectiveness of reduced- versus standard-dose radiotherapy on survival and radiation-associated toxicity in patients with human papillomavirus-associated oropharyngeal squamous cell carcinoma: a systematic review protocol. JBI evidence synthesis, 20(4), 1135-1141.
    DOI
    2022 Kantorová, L., Friessová, T., Slezáková, S., Langaufová, A., Kantor, J., Munn, Z., . . . Klugar, M. (2022). Addressing Challenges When Applying GRADE to Public Health Guidelines: A Scoping Review Protocol and Pilot Analysis. International Journal of Environmental Research and Public Health, 19(2), 18 pages.
    DOI Scopus1 WoS1 Europe PMC1
    2021 Whittaker, A., Liu, Y., & Barker, T. (2021). Methods used and application of the mouse grimace scale in biomedical research 10 years on: a scoping review. Animals, 11(3), 1-27.
    DOI Scopus3 WoS3 Europe PMC2
    2021 Munn, Z., Barker, T., Stern, C., Pollock, D., Ross-White, A., Klugar, M., . . . Shamseer, L. (2021). Should I include studies from "predatory" journals in a systematic review? Interim guidance for systematic reviewers.. JBI Evid Synth, 19(8), 1915-1923.
    DOI Scopus3 Europe PMC1
    2021 De Rezende, H., Melleiro, M. M., O. Marques, P. A., & Barker, T. H. (2021). Interventions to Reduce Patient Identification Errors in the Hospital Setting: A Systematic Review. The Open Nursing Journal, 15(1), 109-121.
    DOI
    2021 Barker, T. H., Migliavaca, C. B., Stein, C., Colpani, V., Falavigna, M., Aromataris, E., & Munn, Z. (2021). Conducting proportional meta-analysis in different types of systematic reviews: a guide for synthesisers of evidence.. BMC medical research methodology, 21(1), 189.
    DOI Scopus3 WoS3 Europe PMC1
    2020 McCabe, D., Bednarz, J., Lockwood, C., & Barker, T. H. (2020). Specific Nutrient Intake Via Diet and/or Supplementation in Relation to Female Stress: A Cross-Sectional Study. Women's Health Reports, 1(1), 241-251.
    DOI
    2020 Borges Migliavaca, C., Stein, C., Colpani, V., Barker, T. H., Munn, Z., & Falavigna, M. (2020). How are systematic reviews of prevalence conducted? A methodological study. BMC medical research methodology, 20(1), 96.
    DOI Scopus59 WoS53 Europe PMC25
    2020 Whittaker, A., & Barker, T. (2020). A consideration of the role of biology and test design as confounding factors in judgement bias tests. Applied Animal Behaviour Science, 232, 105126-1-105126-9.
    DOI Scopus5 WoS5
    2020 Munn, Z., Barker, T. H., Moola, S., Tufanaru, C., Stern, C., McArthur, A., . . . Aromataris, E. (2020). Methodological quality of case series studies: an introduction to the JBI critical appraisal tool. JBI Evidence Synthesis, 18(10), 2127-2133.
    DOI Scopus106 Europe PMC77
    2020 Zhai, J., Hu, X., Wen, Z., Lizarondo, L., Chen, L., Ye, R., . . . McArthur, A. (2020). Promoting healthy lifestyle considerations during pregnancy in Midwifery clinics in China: a best practice implementation project.. JBI Evidence Implementation, 19(3), 219-227.
    DOI Scopus1 WoS1 Europe PMC1
    2020 Pollock, D., Cooper, M., McArthur, A., Barker, T., & Munn, Z. (2020). Women's experiences of their interactions with health care providers during the postnatal period in Australia: a qualitative systematic review protocol.. JBI evidence synthesis, 19(3), 622-628.
    DOI Scopus1
    2020 Barker, T. H., Dias, M., Stern, C., Porritt, K., Wiechula, R., Aromataris, E., . . . Munn, Z. (2020). Guidelines rarely used GRADE and applied methods inconsistently: a methodological study of Australian guidelines. Journal of Clinical Epidemiology, 130, 125-134.
    DOI Scopus2 WoS2 Europe PMC1
    2020 Barker, T., Howarth, G., & Whittaker, A. (2020). Subordination in female rats impedes learning as determined by a judgment bias training protocol. Journal of Veterinary Behavior: Clinical Applications and Research, 38, 56-60.
    DOI Scopus2 WoS1
    2020 Whittaker, A., & Barker, T. (2020). The impact of common recovery blood sampling methods, in mice (Mus musculus), on wellbeing and sample quality: a systematic review. Animals, 10(6), 989.
    DOI Scopus4 WoS3 Europe PMC3
    2020 Munn, Z., Tufanaru, C., Lockwood, C., Stern, C., McAneney, H., & Barker, T. H. (2020). Rinse-free hand wash for reducing absenteeism among preschool and school children.. The Cochrane Database of Systematic Reviews, 4(4), CD012566.
    DOI Scopus3 WoS3 Europe PMC2
    2019 Fang, Y., Wang, N., Shi, L., Barker, T. H., & Zhang, P. (2019). Pain relief during wound care for patients with a deep open wound in an orthopedic trauma department: a best practice implementation project. JBI Database of Systematic Reviews and Implementation Reports, 17(12), 2559-2569.
    DOI Scopus2 Europe PMC1
    2019 Vaska, A. I., Munn, Z., Nagra, S., & Barker, T. H. (2019). Hernioplasty using low cost mesh compared to surgical mesh in low- and middle-income countries: A systematic review protocol. JBI Database of Systematic Reviews and Implementation Reports, 18(1), 178-185.
    DOI
    2019 Barker, T., & Marin, T. (2019). A systematic review protocol: The foundation of a high quality systematic review. Pacific Rim International Journal of Nursing Research, 23(4), 311-313.
    2018 Barker, T., Kind, K., Groves, P., Howarth, G., & Whittaker, A. (2018). Oestrous phase cyclicity influences judgment biasing in rats. Behavioural Processes, 157, 678-684.
    DOI Scopus3 WoS4 Europe PMC2
    2018 George, R., Barker, T., Lymn, K., Bigatton, D., Howarth, G., & Whittaker, A. (2018). A judgement bias test to assess affective state and potential therapeutics in a rat model of chemotherapy-induced mucositis. Scientific Reports, 8(8193), 9 pages.
    DOI Scopus9 WoS9 Europe PMC4
    2018 Barker, T. H., Howarth, G. S., & Whittaker, A. L. (2018). Increased latencies to respond in a judgment bias test are not associated with pessimistic biases in rats. Behavioural Processes, 146, 64-66.
    DOI Scopus7 WoS7 Europe PMC2
    2017 Barker, T., George, R., Howarth, G., & Whittaker, A. (2017). Assessment of housing density, space allocation and social hierarchy of laboratory rats on behavioural measures of welfare. PLoS ONE, 12(9), 1-22.
    DOI Scopus20 WoS15 Europe PMC7
    2017 Barker, T., Bobrovskaya, L., Howarth, G., & Whittaker, A. (2017). Female rats display fewer optimistic responses in a judgment bias test in the absence of a physiological stress response. Physiology and Behavior, 173, 124-131.
    DOI Scopus14 WoS12 Europe PMC3
    2016 Barker, T., Howarth, G., & Whittaker, A. (2016). The effects of metabolic cage housing and sex on cognitive bias expression in rats. Applied Animal Behaviour Science, 177, 70-76.
    DOI Scopus12 WoS10
  • Conference Papers

    Year Citation
    2016 Barker, T. H., Howarth, G. S., & Whittaker, A. L. (2016). Judgement Biases: Metabolic cage housing and sex effects. In Applied Animal Behaviour Science. Adelaide, South Australia: Elsevier BV.
  • Conference Items

    Year Citation
    2021 Barker, T., Munn, Z., Dias, M., Porritt, K., Tufanaru, C., Stern, C., . . . Schunemann, H. (2021). Guidelines rarely used GRADE and applied methods inconsistently. Poster session presented at the meeting of GIN Conference 2021.
    2021 Barker, T., & Aromataris, E. (2021). JBI SUMARI: Software to fast track the systematic review process (workshop). Poster session presented at the meeting of Engaging Evidence 2021.
    2021 Barker, T., Munn, Z., Stone, J., & Aromataris, E. (2021). The future of JBI tools for assessment of risk of bias. Poster session presented at the meeting of Engaging Evidence 2021.
    2021 Barker, T., Munn, Z., Stern, C., McArthur, A., Stephenson, M., & Pilla, B. (2021). The JBI Comprehensive Systematic Review Training Program: Improves Participant Knowledge of the SR Process. Poster session presented at the meeting of Engaging Evidence 2021.
    2021 Barker, T., Munn, Z., Migliavaca, C. B., Stein, C., Colpani, V., Falavigna, M., & Aromataris, E. (2021). Proportional meta-analysis: A guide for synthesisers of evidence. Poster session presented at the meeting of Engaging Evidence 2021.
    2019 Whittaker, A., & Barker, T. H. (2019). Is It Really All Positive? Inherent Factors Influencing Judgement Bias Responses in Rats. Poster session presented at the meeting of Australasia-Africa - International Society for Applied Ethology Regional Conference. Wellington, New Zealand.
    2019 Barker, T., McArthur, A., Stern, C., Porritt, K., Stephenson, M., Pilla, B., & Munn, Z. (2019). Evidence-based learning: design, evaluation and conduct to optimise student outcomes. Poster session presented at the meeting of G-I-N & JBI 2019 Adelaide. Adelaide, South Australia.
    2019 Barker, T., Munn, Z., Dias, M., Porritt, K., Tufanaru, C., Stern, C., . . . Schunemann, H. (2019). Use of GRADE in Australian clinical practice guidelines. Poster session presented at the meeting of G-I-N & JBI 2019 Adelaide.
    2019 Barker, T., & Munn, Z. (2019). Meta-analysis of incidence rate ratios, challenges and issues. Poster session presented at the meeting of G-I-N & JBI 2019 Adelaide.
    2019 Barker, T., McArthur, A., & Munn, Z. (2019). JBI SUMARI, a hands on experience of software to optimise the systematic review process.. Poster session presented at the meeting of G-I-N & JBI 2019 Adelaide.
    2017 Barker, T. H., George, R. P., Howarth, G. S., & Whittaker, A. L. (2017). The Assessment of Housing Density and Social Hierarchy of Laboratory Rats on Behavioural Measures to Assess Welfare. Poster session presented at the meeting of 2017 Australian & New Zealand Council for the Care of Animals in Research and Teaching Conference, ‘Maintaining Social License in a Changing World’. Queenstown, New Zealand.
    2017 George, R. P., Barker, T., Lymn, K., Howarth, G., & Whittaker, A. (2017). Is chemotherapy-induced mucositis associated with pessimistic behaviour as demonstrated by negative judgement biases in the rat?. Poster session presented at the meeting of Australian Society for Medical Research. South Australia.
    2017 George, R. P., Barker, T. H., Lymn, K., Howarth, G. S., & Whittaker, A. L. (2017). Cognitive bias as a measure of affective state in a rat model of chemotherapy-induced mucositis. Poster session presented at the meeting of Australasian Cognitive Neuroscience Conference. South Australia.
    2016 Barker, T. H., Howarth, G. S., & Whittaker, A. L. (2016). Judgment Biases: Metabolic cage housing and sex effects. Poster session presented at the meeting of Australian and New Zealand Laboratory Animal Association. Auckland, New Zealand.
    2016 Barker, T., Howarth, G., & Whittaker, A. (2016). Correlation between cognitive bias and other measures of stress in rats. Poster session presented at the meeting of International Society for Applied Ethology. Edinburgh.
    2016 George, R., Barker, T., Howarth, G., & Whittaker, A. (2016). Mice do not exhibit pessimistic judgement biases in response to metabolic cage housing: reflection on housing type or cognitive bias methodologies.. Poster session presented at the meeting of Australian and New Zealand Laboratory Animal Conference. Auckland.
    2016 George, R., Barker, T., Howarth, G., & Whittaker, A. (2016). Mice do not exhibit pessimistic judgement biases in response to metabolic cage housing: reflection on housing type or cognitive bias methodologies.. Poster session presented at the meeting of Australian Society for Medical Research. Adelaide.
    2015 Barker, T., Howarth, G., & Whittaker, A. (2015). The effects of metabolic cage housing and sex on cognitive bias expression in rats. Poster session presented at the meeting of Abstracts of the Australia and New Zealand Laboratory Animal Conference (ANZLAA 2015). Adelaide, Australia: Australian and New Zealand Laboratory Animal Association.
  • Report for External Bodies

    Year Citation
    2019 Barker, T., Stern, C., Munn, Z., & Aromataris, E. C. (2019). Smoking Cessation Guideline Update: Technical report of evidence review and Summary of Findings.
    2018 Barker, T., Campbell, J., Stern, C., Munn, Z., & Aromataris, E. (2018). Smoking Cessation Guideline Update: Technical report of evidence review and Summary of Findings.
    2018 Barker, T., Stern, C., Aromataris, E. C., & Munn, Z. (2018). Smoking Cessation Guideline Update: Evidence to Decision Framework and Recommendations for Practice.
  • Internet Publications

    Year Citation
    2021 Barker, T., & Whittaker, A. (2021). The effect of pain, and its amelioration, on mouse grimace scale scores in laboratory mice. PROSPERO Sytematic Review Registration.
Date Title Investigators Funding Body Amount
2018 Smoking Cessation Guideline Update

Awarded to JBI:

Munn Z, Aromataris E, Barker TH,  Stern C

The Royal Australian College of General Practitioners $48,300
2015 The utility of cognitive bias testing to assess therapeutic improvements in emotional state in a rat model of chemotherapy-induced mucositis

Whittaker AL, Barker TH, Howarth GS

School of Animal and Veterinary Sciences Seed Grant, The University of Adelaide $4,000

2018-Present, JBI, Course Facilitator, Comprehensive Systematic Review Training Program https://jbi.global/education/systematic-review-training

2018-Present, JBI, Course Facilitator, Evidence-implementation Training Program https://jbi.global/education/evidence-implementation-training

2018-Present, JBI, Course Facilitator, GRADE workshop https://jbi.global/grade/training_and_events 

2014-2018, University of Adelaide, Lecturer and Tutor, Laboratory Animal Sciences III https://www.adelaide.edu.au/course-outlines/103534/1/sem-2/ 

2015-2018, University of Adelaide, Lecturer and Tutor, Principles of Animal Behaviour Welfare and Ethics https://www.adelaide.edu.au/course-outlines/104097/1/sem-2/2020

  • Current Higher Degree by Research Supervision (University of Adelaide)

    Date Role Research Topic Program Degree Type Student Load Student Name
    2022 Principal Supervisor What is the effectiveness of high flow nasal cannula oxygen on apnoeic oxygenation during intubation in high-risk surgical patients compared to other active alternative therapies? Master of Clinical Science Master Full Time Miss Praba Sekhar
    2021 Principal Supervisor What is the effectiveness of reduced dose versus standard dose radiotherapy on survival and radiation associated toxicity in patients with newly diagnosed HPV associated oropharyngeal squamous cell carcinoma: a systematic review Master of Clinical Science Master Full Time Mr Timothy James Lee
  • Past Higher Degree by Research Supervision (University of Adelaide)

    Date Role Research Topic Program Degree Type Student Load Student Name
    2019 - 2019 Co-Supervisor The Neurological Impact of Specific Nutrients on Female Stress: A Two-Phase, Sequential, Mixed Methods Study Doctor of Philosophy Doctorate Full Time Mrs Delia McCabe
    2019 - 2021 Co-Supervisor Outcomes after Hernioplasty Utilising Low Cost Mesh in Low and Middle Income Countries: A Systematic Review Master of Clinical Science Master Full Time Ashish Immanuel Vaska
  • Other Supervision Activities

    Date Role Research Topic Location Program Supervision Type Student Load Student Name
    2018 - 2018 Co-Supervisor Attention-bias as a measure of animal welfare and emotion University of Adelaide Bachelor of Science (Hons) Honours Full Time Sheryn Thomas
  • Position: Grant-Funded Researcher (A)
  • Phone: 83132932
  • Email: timothy.barker@adelaide.edu.au
  • Campus: North Terrace
  • Building: Norwich Centre, floor 3
  • Org Unit: JBI

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