Many papers deal with the topic of thresholds in software metrics to determine the quality level of a software project. This paper aims to identify the status of influential software metrics thresholds papers. We use search facilities in the SCOPUS Web tool to establish the cited papers published from 1970 to 2015. We classified the selected papers according to different factors, such as the main topic and the general type. The cited papers were more frequently on journals than conference proceedings. We observed three main problems: an unclear explanation of the method for selecting the technique that calculates thresholds; a direct application of the metric threshold values to different code context; a lack of objective analysis for the calculated thresholds. To our knowledge, this paper is the only one that performs this kind of study. It can provide baselines to assist new research and development efforts. Due to the page limit, this paper contains a summary of the results.
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