Human Factors Consultants

Human Factors Consultants is a partnership that specializes in providing legal expertise, consultation and testimony on perception, eyewitness identification, police procedures, memory, children's understanding and testimony, fingerprint identifications, linguistics and language, verbal and non verbal harassment, human factors of safety, including product design, warnings, and training, and human factors of accidents.

Our services include consultation, review of existing research and science, collection of new research, preparation of reports and affidavits, depositions, and trial testimony. We have assisted clients in ten states and six Federal district courts representing plaintiffs and defendants in civil cases, and prosecution and defense in criminal cases.

Eyewitness observation and perception, eyewitness memory, eyewitness identification, and lineup and photospread procedures. We specialize in the factors that affect the accuracy of adults' and children's eyewitness testimony or procedures for interviewing eyewitnesses, weapon focus, cross racial identifications, and the effects of stress and trauma.

Ralph Haber has a Ph.D. in experimental psychology from Stanford University (1957) and post-doctoral training in human factors from Cambridge, England (1970-71). He has taught at Stanford University, Yale University, the University of Rochester and the University of Illinois at Chicago.  

Lyn Haber has a Ph.D. in experimental linguistics from University of California at Berkeley (1970), and is nationally certified in Speech-Language Pathology. She has taught at Temple University, Stanford University, the University of Rochester, the University of Illinois at Chicago, and Arizona State University.

Between them they have received 25 grants and contracts from federal and military granting agencies, published 12 books and 250 articles in scientific journals and books, and given 150 presentations at professional conventions and conferences.