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Identification of Emotional Expression With Cancer Survivors: Validation of Linguistic Inquiry and Word Count

Identification of Emotional Expression With Cancer Survivors: Validation of Linguistic Inquiry and Word Count

Bantum and Owen [12] previously evaluated the validity of the LIWC 2001, demonstrating that LIWC 2001 had good sensitivity and specificity for identifying emotion; however, the positive predictive value (PPV), or precision of emotional identification, was poor. Additional work by our team with the creation of a machine learning program [13] demonstrated that a machine learning approach was not necessarily more predictive than LIWC.

Michelle O'Carroll McDonnell, Jason Edward Owen, Erin O'Carroll Bantum

JMIR Form Res 2020;4(10):e18246