Fiona Fidler (born 1974) is an Australian professor and lecturer with interests in meta-research, reproducibility, open science, reasoning and decision making and statistical practice.

[2] Fidler states her main interest is in "how scientists and other experts reason, make and justify decisions, and change their minds.

[4][5][6][7][8] From 2007 to 2010 Fidler was an Australian Research Council (ARC) Postdoctoral Fellow in the School of Psychological Science at La Trobe University.

[10][11] She took up a position at the University of Melbourne jointly in the School of BioSciences (as part of the quantitative and applied ecology group, QAEco[12]).

[16] Using the IDEA protocol which utilises the power of group discussion, participants will make structured judgements about the credibility of 3,000 published social scientific research claims.