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Linguistic Inquiry and Word Count (LIWC)

Linguistic Inquiry and Word Count (LIWC) is the gold standard in software for analyzing the psychological meaning of word use. The LIWC API is available exclusively from Receptiviti. It provides researchers, data scientists, and developers with an easy-to-use API that delivers insights into people’s psychologies and cognitive states by analyzing their use of natural language.

​Invented by Receptiviti co-founder, Dr. James W. Pennebaker, LIWC (Linguistic Inquiry and Word Count) is considered the gold-standard of psychology-based Natural Language Processing; it has over 20,000 research citations spanning a broad range of domains including insider threat, deception, relationship initiation and stability, political survival strategies, dementia detection and more. Receptiviti retains the global exclusive commercial rights to LIWC.​

The LIWC API makes it easy to integrate LIWC into research and directly into your products.​

Contact us to get started with the LIWC API.

Dr. James W. Pennebaker

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