Department of Environmental Sciences University of Helsinki FI 00014 Helsinki Finland;

Department of Natural Resources and the Environment University of New Hampshire Durham NH 03824

Laboratory of Environmental Microbiology Institute of Microbiology of the Academy of Sciences of the Czech Republic v v i 14220 Prague 4 Czech Republic;

Yale School of Forestry and Environmental Studies Yale University New Haven CT 06511;

Yale School of Forestry and Environmental Studies Yale University New Haven CT 06511; Department of Terrestrial Ecology Netherlands Institute of Ecology 6700AM Wageningen The Netherlands;

Proc Natl Acad Sci U S A. 2015 Jun 2;112(22):7033-8. doi: 10.1073/pnas.1502956112. PubMed

Proc Natl Acad Sci U S A. 2015 Sep 15;112(37):E5112-3. doi: 10.1073/pnas.1512689112. PubMed

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Crowther TW, et al. Biotic interactions mediate soil microbial feedbacks to climate change. Proc Natl Acad Sci USA. 2015;112(22):7033–7038. PubMed PMC

Veresoglou SD. P hacking in biology: An open secret. Proc Natl Acad Sci USA. 2015;112:E5112–E5113. PubMed PMC

Nuzzo R. Statistical errors. Nature. 2014;506(7487):150–152. PubMed

Gelman A, Hill J, Yajima M. Why we (usually) don’t have to worry about multiple comparisons. J Res Educ Eff. 2012;5(2):189–211.

Rothman KJ. No adjustments are needed for multiple comparisons. Epidemiology. 1990;1(1):43–46. PubMed

Leek JT, Peng RD. Statistics: P values are just the tip of the iceberg. Nature. 2015;520(7549):612. PubMed