2021版谷歌学术指标(运动医学)发布
7 月 22 日,谷歌学术(Google Scholar)发布了2021版的谷歌学术指标(Google Scholar Metrics,GSM)。该排名基于海量文献进行统计,可以快速衡量学术出版物中最近文章的可见性和影响力。
本次发布的版本涵盖了 2016-2020 年发表的文章,并包含了截至 2020 年 7 月在 Google Scholar 中索引的所有文章的引文。2016-2020 年文章少于 100 篇的出版物,或这些年没有被引用的出版物不包括在内。在其网站上可以看到根据 5 年高引用(h5指数)和 h5 中位数指标排名的前 100 出版物(不同语种),以及各学科领域前 20 的学术期刊,每一种期刊可以点击 h5-index 查看被引用最多的论文。
在 2021 年 Google Scholar Metrics 排名中,可以看到英文期刊排名前 5 的分别是 Nature,The New England Journal of Medicine,Science,IEEE/CVF,The Lancet。而 PLOS One(IF=3.240)今年略有倒退,去年为第 9 名,力压多个顶刊,而今年仍然分别进入健康医学及生命科学 TOP10,排名下降到第 30。
在本年度发布的目录中,可以看到 Physical Education and Sports Medicine(体育与运动医学)的学科领域期刊的排名。具体见表1。
NO. | Publication | h5-index | h5-median |
1 | British Journal of Sports Medicine | 121 | 190 |
2 | Sports Medicine | 102 | 139 |
3 | The American Journal of Sports Medicine | 89 | 128 |
4 | Medicine & Science in Sports & Exercise | 75 | 101 |
5 | International Journal of Behavioral Nutrition and Physical Activity | 71 | 107 |
6 | The Journal of Strength & Conditioning Research | 71 | 96 |
7 | Knee Surgery, Sports Traumatology, Arthroscopy | 66 | 80 |
8 | Journal of Sports Sciences | 64 | 87 |
9 | Journal of Science and Medicine in Sport | 62 | 95 |
10 | International Journal of Sports Physiology and Performance | 61 | 85 |
11 | Scandinavian Journal of Medicine & Science in Sports | 61 | 84 |
12 | Psychology of Sport and Exercise | 59 | 92 |
13 | Arthroscopy: The Journal of Arthroscopic & Related Surgery | 59 | 75 |
14 | Gait & Posture | 53 | 69 |
15 | Physical Therapy | 51 | 69 |
16 | European Journal of Applied Physiology | 49 | 66 |
17 | Orthopaedic Journal of Sports Medicine | 49 | 65 |
18 | European Journal of Sport Science | 48 | 71 |
19 | Journal of Athletic Training | 46 | 69 |
20 | Journal of Sport and Health Science | 46 | 68 |
以《British Journal of Sports Medicine》杂志为例,我们可以看一下,在 2016-2020 年发表的论文中被引超过 500 次的 10 篇优秀论文。通过这些重磅论文中的研究,我们可以看一下运动医学研究的热点和趋势。
1. Consensus statement on concussion in sport—the 5th international conference on concussion in sport held in Berlin, October 2016
P McCrory, W Meeuwisse, J Dvorak, M Aubry, J Bailes, S Broglio, ...
BJSM, 2017, 51 (11), 838-847.
2. The training—injury prevention paradox: should athletes be training smarter and harder?
TJ Gabbett
BJSM, 2016, 50 (5), 273-280.
3. Why we should focus on the burden of injuries and illnesses, not just their incidence
R Bahr, B Clarsen, J Ekstrand
BJSM, 2018, 52 (16), 1018-1021.
4. How much is too much?(Part 1) International Olympic Committee consensus statement on load in sport and risk of injury
T Soligard, M Schwellnus, JM Alonso, R Bahr, B Clarsen, HP Dijkstra, ...
BJSM, 2016, 50 (17), 1030-1041.
5. Simple decision rules can reduce reinjury risk by 84% after ACL reconstruction: the Delaware-Oslo ACL cohort study
H Grindem, L Snyder-Mackler, H Moksnes, L Engebretsen, MA Risberg
BJSM, 2016, 50 (13), 804-808.
6. Exercise to prevent falls in older adults: an updated systematic review and meta-analysis
C Sherrington, ZA Michaleff, N Fairhall, SS Paul, A Tiedemann, J Whitney, ...
BJSM, 2017, 51 (24), 1750-1758.
7. Monitoring the athlete training response: subjective self-reported measures trump commonly used objective measures: a systematic review
AE Saw, LC Main, PB Gastin
BJSM, 2016, 50 (5), 281-291.
8. IOC consensus statement: dietary supplements and the high-performance athlete
RJ Maughan, LM Burke, J Dvorak, DE Larson-Meyer, P Peeling, ...
BJSM, 2018, 52 (7), 439-455.
9. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults
RW Morton, KT Murphy, SR McKellar, BJ Schoenfeld, M Henselmans, ...
BJSM, 2018, 52 (6), 376-384.
10. Exercise interventions for cognitive function in adults older than 50: a systematic review with meta-analysis
JM Northey, N Cherbuin, KL Pumpa, DJ Smee, B Rattray
而且,与影响因子只基于过去两年数据不同,谷歌学术指标统计过去五年的数据,因而更加体现一个出版物的持久影响力,而不仅仅是当前的热度。更为重要的是,谷歌学术指标采用h指数进行评价,显示的是出版物综合整体实力,而不会像影响因子那样很容易受一篇高引用文章所扭曲。一个最好的例子就是近年影响因子排名第一的《CA - A Cancer Journal for Clinicians》,在谷歌学术指标中始终在前 100 名以外。
h指数(h-index )是一个混合量化指标,最初是由美国加利福尼亚大学圣地亚哥分校的物理学家乔治·赫希(Jorge Hirsch)在 2005 年的时候提出来的,其目的是量化科研人员作为独立个体的研究成果。Hirsch 的原始定义是,一名科学家的 h 指数是指其发表的N篇论文中有 h 篇每篇至少被引 h 次、而其余N-h篇论文每篇被引均小于或等于 h 次。Google 使用 h5-index 评价一个期刊的影响力,它表示在过去 5 年发表文章的 h-index。取最大的h值,使得h篇论文在 2016-2020 年间有至少 h 个引用。
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