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Table 3 The 20 high frequently occurred keywords based on centrality indicators

From: Visualization of clinical teaching citations using social network analysis

N Keywords Frequency Betweenness Degree Closeness
1 Humanism 137 13.407 97.753 97.802
2 Clinical reasoning 139 13.213 95.506 95.699
3 Clinical education 129 11.208 92.697 93.194
4 Cooperative behavior 102 7.980 83.708 85.990
5 Medical student education 105 7.716 82.865 85.372
6 Tutorial strategies 72 4.411 69.101 76.395
7 Medical education 59 3.287 61.236 72.065
8 Clinical clerkship 62 3.125 60.674 71.774
9 Learning and teaching 50 2.174 52.247 67.681
10 Clinical competence 49 2.145 54.213 68.593
11 Adult education 36 1.852 49.719 66.542
12 Curriculum development 38 1.788 49.157 66.294
13 Psychiatry education 38 1.701 46.067 64.964
14 Communication skill 32 1.661 47.753 65.683
15 Professionalism 21 0.904 38.764 62.021
16 Attitude to health 23 0.808 37.360 61.485
17 Procedures 24 0.559 32.303 59.631
18 Nursing education 22 0.509 28.933 58.456
19 Education measurement 20 0.448 31.461 59.333
20 Human experiment 20 0.254 26.404 57.605