Study suggests handwriting can uncover liars

A recent study has shown that the handwriting of a liar changes slightly and that using a specialised computer tool to record those changes may lead to a new way for law enforcers to pick out the liars among us.

The research was done at Haifa University in Israel and will be published in an upcoming issue of the journal Applied Cognitive Psychology. The study was headed by Gil Luria and Sara Rosenblum. They used a specialised computer tool called Computerised Penmanship Evaluation Tool (ComPET). Participants wrote on the tablet and the data about their handwriting was analysed by the attached computer. The study showed that there were decipherable changes in handwriting when a person was writing the truth as compared to when they were writing a lie. The changes were found in the pressure the writer applied to the tablet and in an increase in the length and height of the stroke.

Handwriting analysis to determine a person's personality traits has long been set aside as pseudoscience, a practice presented as science but not based on scientific method, but this may no longer be the case. Already past research has confirmed that analysis of handwriting can assist in the diagnosis and progression of certain diseases including Parkinson's, Alzheimer's, schizophrenia and depression.

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