Sollte es jemals eine gute Debattenkultur auf Twitter gegeben haben, so ist davon nicht mehr viel übrig. Es wird gescreenshottet, verkürzt und gehetzt – von Menschen, die sich eigentlich für die Guten halten. Die Grenzen zum Mobbing sind dabei häufig fließend, meint Matthias Schwarzer.
This article provides an introduction to the use of altmetrics as a tool to assess research impact. In particular, it looks at the evidence behind claims that altmetrics allow the impact of research to be measured in days rather than years. Low correlations between altmetrics and article citations make it doubtful that altmetrics can reliably predict future citations. In addition, there are good reasons to qualify statements that altmetrics measure the wider impact of research on society. Librarians should be careful not to overstate the value of altmetrics when recommending their use as a complement to more traditional measures of research quality.
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