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The question of what bibliometric indicator indicate has been discussed for several decades. Over that period, the use of indicators has increased, the number of indicators too, but the question of what the indicators exactly measure remains to be debated. In this paper we propose to approach it from the perspective of scale construction. Basically, this means that we interpret the publication-based and citation-based indicators as items that measure aspects of the scientific quality, but at the same time we accept that all these indicators are characterized by error. However, several indicators together, may lead to a valid and reliable variable, representing a latent quality dimension. This approach should not be confused with composite indicators, such as deployed in university rankings.
validity, reliability, scale construction, Indicators, bibliometrics
validity, reliability, scale construction, Indicators, bibliometrics
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citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 2 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Average | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |