This study addresses the issue of poor intercomparability of measurements of organic photovoltaic (OPV) devices among different laboratories. We present a round robin performance testing of novel OPV devices among 16 laboratories, organized within the framework of European Research...

Purpose – This paper aims to describe the impact of internet technology on psychometric testing and the issues this raises for best practice in test use. Design/methodology/approach – The approach draws on best practice in the field of psychometrics and the author's experience in using the...

Purpose – This paper seeks to present a comparative study of the traditional usability‐testing process and the re‐engineered usability‐testing process for live multimedia systems. Design/methodology/approach – Provides an overview of current usability‐testing techniques and usability...