Letters might occur for different reasons, which could become process, is difficult to determine even through careful manual apparent in content analysis. analysis. For instance, interrater reliability in a study assess- Investigators should not have to fear that null findings will ing spin in RCTs with statistically nonsignificant primary out- be of little interest to the scientific community, general pub- comes was moderate (κ = 0.47). Likewise, although it is well lic, or journals. However, spin, underreporting, misreport- accepted that RCTs with null results face additional barriers ing, publication lag, and double standards in evaluation are cru- to publication, this is difficult to quantify without data on ac- cial aspects to consider before investigators and the public can ceptance or rejection metrics from journals. be reassured that fears of publication bias are unjustified. Cristea and Gentili state: “Investigators should not have to fear that null findings will be of little interest to the scien- Ioana A. Cristea, PhD tific community, general public, or journals.” On that point, we Claudio Gentili, MD, PhD are entirely in agreement. Author Affiliations: Department of Clinical Psychology and Psychotherapy, James A. Heathers, PhD Babes-Bolyai University, Cluj-Napoca, Romania (Cristea); Department of Jason M. Nagata, MD
JAMA – American Medical Association
Published: Sep 24, 2019
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