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Table 5.

Spearman’s rho correlations between the eight indicators

 WorldCat holdingsPlumX usageWorldCat country distributionPlumX capturesGoogle Scholar citationsPlum X social mediaScopus citationsPlumX mentions
WorldCat holdings   .246** .959** .426** .432** 0.111 .124* 0.016 
PlumX usage .246**   .321** .505** .206** −0.002 .235** 0.027 
WorldCat country distribution .959** .321**   .400** .435** 0.062 .126* −0.007 
PlumX captures .426** .505** .400**   .313** .179** .316** 0.108 
Google Scholar citations .432** .206** .435** .313**   0.104 .258** 0.092 
PlumX social media 0.111 −0.002 0.062 .179** 0.104   0.025 .183** 
Scopus citations .124* .235** .126* .316** .258** 0.025   0.033 
PlumX mentions 0.016 0.027 −0.007 0.108 0.092 .183** 0.033   
 WorldCat holdingsPlumX usageWorldCat country distributionPlumX capturesGoogle Scholar citationsPlum X social mediaScopus citationsPlumX mentions
WorldCat holdings   .246** .959** .426** .432** 0.111 .124* 0.016 
PlumX usage .246**   .321** .505** .206** −0.002 .235** 0.027 
WorldCat country distribution .959** .321**   .400** .435** 0.062 .126* −0.007 
PlumX captures .426** .505** .400**   .313** .179** .316** 0.108 
Google Scholar citations .432** .206** .435** .313**   0.104 .258** 0.092 
PlumX social media 0.111 −0.002 0.062 .179** 0.104   0.025 .183** 
Scopus citations .124* .235** .126* .316** .258** 0.025   0.033 
PlumX mentions 0.016 0.027 −0.007 0.108 0.092 .183** 0.033   
*

Correlation is significant at the 0.05 level (2-tailed);

**

Correlation is significant at the 0.01 level (2-tailed).

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