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Clones are generally considered bad programming practice in software engineering folklore. They are identified as a bad smell and a major contributor to project maintenance difficulties. Clones inherently cause code bloat, thus increasing project size and maintenance costs. In this work, we try to validate the conventional wisdom empirically to see whether cloning makes code more defect prone. This paper analyses relationship between cloning and defect proneness. We find that, first, the greatdoi:10.1109/msr.2010.5463343 dblp:conf/msr/RahmanBD10 fatcat:cs3zikup75gzrpelz4bwv57krm