[目的/意义]探讨作者贡献声明的格式、内容构成要素及与作者署名次序之间的关系等，旨在发现规律以便更加科学、合理地对论文合作作者进行学术评价及加快图情学期刊作者贡献声明的规范和推广进程。[方法/过程]阐述3种国内外图情学期刊作者贡献声明的格式及内容构成要素，分析和比较不同署名次序的作者与不同类型贡献要素之间的关系。[结果/结论]3种期刊作者贡献声明的格式、要素等有待进一步规范和推广；3种期刊无论从作者层面还是从贡献要素角度分析，都呈现署名靠前的作者其贡献要素参与程度较高的规律，并且第一作者在"提出研究思路""撰写论文""设计研究方案"等核心贡献要素上表现突出。
[Purpose/significance] Exploring the format, contents of author contribution statement and the relationship with the order of author signature, in order to discover the law and promote the academic evaluation and speed up the standardization and promotion of the author contribution statement of LIS journals.[Method/process] It analyzes the format and contents of the contribution statement of three domestic and foreign LIS journals, and counts and compares the contribution degree of various authors.[Result/conclusion] The study finds that the format and name of author contribution statement of three journals are to be improved, and three kinds of LIS journals has signed the consistent rule, i.e., the higher the order of authors signature, the higher the participation degree of contribution elements, and the first author generally participates the contribution of the core elements, such as "put forward research ideas" "wrote the paper" "design research program".
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