The art of Forensic Psychology - Back to 1901!!

"Forensic Psychology dates back to at least the turn of the twentieth century. William Stern studied memory in 1901 by asking students to examine a picture for forty-five seconds and then try to recall what was happening in it. He would see how much the person could recall at various intervals after seeing the picture. These experiments came before more contemporary research about the reliability of eyewitnesses testimony in court. Stern concluded from his research that recall memories are generally inaccurate; the more time between seeing the picture and being asked to recall it, the more errors were made. People especially recalled false information when the experimenter gave them a lead-in question such as, "Did you see the man with the knife?" The person would answer, "yes," even if there was no knife present. Lead-in questions are often used in police interrogations and in questioning witnesses.



Hugo Munsterberg is often called the first forensic psychologist. He wrote a book called On the Witness Stand. It was published in 1908, after the work of William Stern. Other psychologists before this, such as Alfred Binet and Sigmund Freud, had also constructed tests that could be used in judicial proceeding. They both did studies suggesting that the time it takes for a person to answer a question could be a factor in determining guilt or innocence.


In 1916, Lewis Terman, a Stanford psychologist, began to apply psychology to law enforcement. He revised Alfred Binet's intelligence tests and formed the Stanford-Binet intelligence test. These tests were used to assess the intelligence of thirty applicants for the police and firefighting jobs in San Jose, CA. A few years later, L. L. Thurstone used the same type of test in Detroit. Now, this type of testing is used in most police departments in the country.

The application of psychology in law and law enforcement continued throughout the 1920's and 1930's. To this day, there is still a special interest in extending psychology to police work. The demand for psychologists in the legal system has grown considerably over the past several decades. Currently, almost 2,000 psychologists belong to the American Psychology-Law Society."

Careers in Forensic Psychology: A Brief History