Andrew Guth, Robyn Anderson, Kasey Kinnard and Hang Tran, Proper Methodology and Methods of Collecting and Analyzing Slavery Data: An Examination of the Global Slavery Index, in Social Inclusion (open access journal), Vol. 2, No 4 (2014), pp. 14-22, article posted on the Cogitatio website on 17 November 2014: "The Global Slavery Index aims to, among other objectives, recognize the forms, size, and scope of slavery worldwide as well as the strengths and weaknesses of individual countries. An analysis of the Index’s methods exposes significant and critical weaknesses and raises questions into its replicability and validity" (summary of the article) - "The formation and implementation of sound policy is not possible without sound data. The methodology and methods used in the index are currently inadequate and therefore the Index cannot be validated or replicated. Furthermore, the publicity given to the Index is leading to the use of this poor data not only by popular culture and reputable magazines and news organizations [...], but also by academic journals and high level policy makers [...], which can lead to inaccurate policy formulation and a compounding of harm [...]" (p. 19).
