![]() They were then asked specific questions, including the question “About how fast were the cars going when they (smashed / collided / bumped / hit / contacted) each other?” This was a laboratory experiment with five conditions, only one of which was experienced by each participant (an independent measures experimental design).ħ films of traffic accidents, ranging in duration from 5 to 30 seconds, were presented in a random order to each group.Īfter watching the film participants were asked to describe what had happened as if they were eyewitnesses. Procedure: Forty-five American students from the University of Washington formed an opportunity sample. ![]() ![]() Estimating vehicle speed is something people are generally poor at and so they may be more open to suggestion. To test this Loftus and Palmer (1974) asked people to estimate the speed of motor vehicles using different forms of questions. Thus, they aimed to show that leading questions could distort eyewitness testimony accounts and so have a confabulating effect, as the account would become distorted by cues provided in the question. ![]() ![]() Aim: To test their hypothesis that the language used in eyewitness testimony can alter memory. ![]()
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