Journal of Strategic Security, Vol. 6, No. 3 (Fall 2013), pp. 100-119 (22 pages) National security professionals have few scientifically valid methods for detecting deception in people who deny being ...

People lie all the time; they omit information, minimize or exaggerate the truth, or give vague answers. And they lie for a variety of reasons: to save face, spare the feelings of others, get what ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center sometimes employs cognitive interviewing to help improve ...

Many medical problems, such as traumatic brain injuries, stroke, dementia, and even cancer, can affect the brain and make it difficult for someone to think or process information. Cognitive ...

The president again tried to defend his own mental fitness for office — and disparage Joe Biden’s — by frequently repeating a memory sequence: “Person. Woman. Man. Camera. TV.” By Katie Rogers ...