Harrison, Xavier A.Donaldson, LyndaCorrea-Cano, Maria EugeniaEvans, JulianFisher, David N.Goodwin, Cecily E.D.Robinson, Beth S.Hodgson, David J.Inger, Richard2020-04-102020-04-102018-05-23Harrison, X A, Donaldson, L, Correa-Cano, M E, Evans, J, Fisher, D N, Goodwin, C E D, Robinson, B S, Hodgson, D J & Inger, R 2018, 'A brief introduction to mixed effects modelling and multi-model inference in ecology', PeerJ, vol. 6, e4794, pp. 1-32. https://doi.org/10.7717/peerj.47942167-8359ORCID: /0000-0002-4444-4450/work/45017158https://hdl.handle.net/2164/14017Acknowledgements This paper is the result of a University of Exeter workshop on best practice for the application of mixed effects models and model selection in ecological studies Funding Xavier A. Harrison was funded by an Institute of Zoology Research Fellowship. David Fisher was funded by NERC studentship NE/H02249X/1. Lynda Donaldson was funded by NERC studentship NE/L501669/1. Beth S. Robinson was funded by the University of Exeter and the Animal and Plant Health Agency as part of ‘Wildlife Research Co-Operative’. Maria Correa-Cano was funded by CONACYT (The Mexican National Council for Science and Technology) and SEP (The Mexican Ministry of Education). Cecily Goodwin was funded by the Forestry Commission and NERC studentship NE/L501669/1. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.322390155engGLMMMixed effects modelsmodel selectionAICmultimodel inferenceoverdispersionmodel averagingrandom effectscollinearitytype 1 errorQH301 BiologyQH301Journal article10.7717/peerj.4794https://doi.org/10.7717/peerj.47946