Empirical analysis of Lexis and West headnotes in SCOTUS opinions from the 2009 term

“The data make clear that headnote assignments are far from scientific. In fact, they appear somewhat arbitrary, at least based on the discrepancies described in this article. Further study is warranted,” wrote Peter A. Hook and Kurt R. Mattson in Surprising Differences: An Empirical Analysis of LexisNexis and West Headnotes in the Written Opinions of the 2009 Supreme Court Term, 109 Law. Libr. J. 557 (2017). Here’s the abstract:

The number of headnotes assigned by LexisNexis and West are empirically examined for opinions of the 2009 Supreme Court Term. Additionally, Citizens United is examined in detail to determine the overlap of headnote-worthy language. Discrepancies in the number of headnotes assigned and disagreement as to headnote-worthy language call into question the rigor with which headnotes are created.

H/T to Legal Skills Prof Blog. Interesting. — Joe

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