Abstract: Analysis of the clarity with which Spanish academic journals report their preprint acceptance policies in the instructions to authors. The aim is to determine to what extent these journals have adopted explicit policies on preprints and how these policies align with the transparency recommendations of the Committee on Publication Ethics (COPE). An analysis was made of the preprint acceptance policies of 221 Spanish academic journals classified in Q1 and Q2 quartiles of the Scimago Journal & Country Rank (SJ&CR) 2022. The instruc...
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