What is a research question for the following scenario? What would the independent variable (IV) be for this question and scenario? -What would the dependant variable (DV) be for this question and scenario?
-What is a research question for the following scenario?
What would the independent variable (IV) be for this question and scenario?
-What would the dependant variable (DV) be for this question and scenario?
Levels of groups’ certainties about their eyewitness testimony to a simulated crime were compared. The
first group was set up to be “right” in its eyewitness accounts and the second group was set up to be
“wrong”; the desire was to see if confidence differed across groups. Thirty-four participants were
recruited from a college campus and randomly divided into two groups, both of which were shown a
video of a crime scenario (length: 58 seconds) in which the perpetrator’s facial characteristics (with
respect to the camera) were clearly visible at two separate points and sporadically visible at others. Half
the participants then were shown a five-individual lineup that contained the perpetrator in the video
(“Group A”), and half the participants were shown a five-individual lineup that did not contain the
perpetrator (“Group B”). Participants were asked to (a) identify if and where the perpetrator was in the
lineup and (b) provide a rating of confidence on a scale from 1 to 10 (10 being highly confident) that the
selection was the same as the person seen in the video committing the crime. All participants signed
consent forms, were told they could leave the study at any time and were told they would be debriefed.
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