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It is very important that you watch this video carefully, as you will learn some new information about this study. We led you to believe that the aim of this study is to investigate the effects of using different modalities on learning. This is not the case. In fact, we are trying to learn more about factors that influence memory performance in eyewitness testimony. It was necessary to deceive you regarding the study aim, as doing so allowed us to be able to create a realistic eyewitness scenario. For the purpose of this study, we’d like you to imagine that you are testifying in court as a witness to a crime, and that we are jurors trying to determine whether your testimony is accurate or not. Firstly, imagine that you have witnessed a crime take place. After the event has occurred, you may remember details about the people involved, such as their appearance, their clothing, their behaviour, and so on. However, there are two important things that you should keep in mind when encountering scenarios such as this. The first important thing is really a reminder. You probably know that memories are not always based on our own experiences. Instead, they are often made up of information that we’ve gathered from many sources. For instance, we may witness a crime and then hear further details about that crime from the news and the media, or when we discuss the event with other witnesses. We may even imagine details that weren’t part of the crime, but those details later become incorporated into our memory. In short, memories can be made up of information from multiple sources and we want you to bear this in mind. The second important thing is that your memory for the video we showed you earlier may be made up of information from multiple sources. We asked you to read a summary that described the events and details in the video. We created multiple versions of this summary. One version contained only accurate information about the video, and thus described the events in the video as they happened. Other versions contained differing amounts of misinformation, that is, they contained some inaccurate details about the events in the video. You were randomly assigned to read either an accurate or inaccurate summary of the video, but we do not know which one. In other words, we don’t know if you were exposed to some misleading information about the video or not. If you were exposed to some misinformation, there is a chance that your memory for the events in the video has been affected, and some of the details you remember may not be accurate. Please keep this in mind. We will now test your memory for the video and ask you about the source of your memories.