To prove the accuracy of this human memory, E.F. Loftus (1975) conducted a study on 105 students. The students were shown a film showing a white car involved in the accident. After that they answered ten questions related to the film. Nine questions are the same for all participants and one different question. Half the participants got the question, "How fast did the car go through the warehouse?", Not "How fast did the car cross the village road?" There was no warehouse in the film. One question that says warehouse is a question to mislead participants. A week later participants were asked to return and given ten additional questions about the film. This time the researcher gave one question, "did you see a warehouse?" To all participants.
As a result, participants who had previously received questions containing the word warehouse replied that they did see the warehouse as much as 17%, while those who did not get questions containing the word warehouse replied that they saw the warehouse as much as 3%. This shows that entering something that is not actually seen in a question can make it remember as part of its vision later on. That is, a person's memory can be manipulated in such a way that he feels it is truly seen in his memory. This study also proves that witnesses can be misled deliberately through the questions asked.
The accuracy or accuracy of this memory is also studied in children. There are two things that can be examined regarding children's memory; check the accuracy of adult memory about his childhood, and check the accuracy of children's stories about what is dialysis.