There is no scientific technology that can determine if a person is lying simply by scanning a fingerprint on a smartphone or computer screen. How These "Tests" Work
If you need the truth, put down your phone. Look the other person in the eye. Ask direct questions. Listen to their story. Use your brain—the most powerful lie detector ever evolved. free online lie detector test fingerprint
The test was conducted online, and the participant's fingerprint data was collected using a digital fingerprint reader or a compatible device. The test consisted of a series of questions, including control questions (CQ), relevant questions (RQ), and irrelevant questions (IQ). The participant's physiological responses, such as heart rate, skin conductance, and blood pressure, were not directly measured due to the limitations of the online platform. Instead, the fingerprint analysis software provided a proprietary algorithm to analyze the participant's fingerprint patterns and generate a deception score. Free online fingerprint lie detector tests are intended
Below is a helpful, factual write-up explaining why such tests don’t work, what you should know about real lie detection, and how to spot misleading claims. Personal relationships (suspicion of lying)