68 citations · 151 across the 7 of their papers we have counts for
7 papers · 1 filter
All downhill from the PhD? The typical impact trajectory of US academic careers
Mike Thelwall, Ruth Fairclough
Within academia, mature researchers tend to be more senior, but do they also tend to write higher impact articles? This article assesses long-term publishing (16+ years) United Sta…
The Research Production of Nations and Departments: A Statistical Model for the Share of Publications
Mike Thelwall, Ruth Fairclough
Policy makers and managers sometimes assess the share of research produced by a group (country, department, institution). This takes the form of the percentage of publications in a…
The Accuracy of Confidence Intervals for Field Normalised Indicators
Mike Thelwall, Ruth Fairclough
When comparing the average citation impact of research groups, universities and countries, field normalisation reduces the influence of discipline and time. Confidence intervals fo…
National research impact indicators from Mendeley readers
R. Fairclough, M. Thelwall
National research impact indicators derived from citation counts are used by governments to help assess their national research performance and to identify the effect of funding or…
Geometric journal impact factors correcting for individual highly cited articles
Mike Thelwall, Ruth Fairclough
Journal impact factors (JIFs) are widely used and promoted but have important limitations. In particular, JIFs can be unduly influenced by individual highly cited articles and henc…
The influence of time and discipline on the magnitude of correlations between citation counts and quality scores
Mike Thelwall, Ruth Fairclough
Although various citation-based indicators are commonly used to help research evaluations, there are ongoing controversies about their value. In response, they are often correlated…
More Precise Methods for National Research Citation Impact Comparisons
Ruth Fairclough, Mike Thelwall
Governments sometimes need to analyse sets of research papers within a field in order to monitor progress, assess the effect of recent policy changes, or identify areas of excellen…