An experimental investigation of the misinformation effect in crime‐related amnesia claims

Mangiulli, Ivan; Otgaar, Henry; Curci, Antonietta; Jelícic, Marko

doi:10.1002/acp.3697

Cited by 10 publications

(15 citation statements)

References 46 publications

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“…The more cognitive resources a lying strategy requires, the more impairments it will cause. A number of studies have provided positive evidence for this proposition (Mangiulli et al, 2018(Mangiulli et al, , 2019(Mangiulli et al, , 2020Otgaar et al, 2018b;Battista et al, 2021b). However, the present study suggests that the effects of deception on memory are also modulated when liars with different degrees of involvement adopt the same lying strategy.…”

Section: Discussioncontrasting

confidence: 43%

Involvement Modulates the Effects of Deception on Memory in Daily Life

Liu

2021

Front. Psychol.

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Previous studies have demonstrated that liars who adopt a false denial strategy often forget what they lied about, which has been labeled the denial-induced forgetting (DIF) effect. However, several investigations have not found such an effect. It has been suggested that involvement might play a role in the inconsistency. The present study was designed to directly determine whether involvement modulates the effects of deception on memory. Participants were assigned randomly to either high- or low-involvement conditions and were required to complete a mock shopping task. They were then asked to participate in an interview in which they were asked to respond honestly or deceptively. Two days later, final memory tests were given, and the participants were asked to give honest responses. We found a DIF effect in the high-involvement condition but not in the low-involvement condition. Moreover, the liars in the high-involvement condition created more non-believed memories in the source memory test and the destination memory test than the honest participants. In addition, liars in both the high- and low-involvement conditions forgot who they lied to. We conclude that the effects of deception on memory could be influenced by the degree of involvement.

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Section: Discussioncontrasting

confidence: 43%

Involvement Modulates the Effects of Deception on Memory in Daily Life

Liu

2021

Front. Psychol.

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“…However, in their experiment feigning amnesia did not influence the misinformation effect and Mangiulli et al. (2020) argued that certain limitations related to their design might have been the reason (e.g., the timing of the misinformation and type of memory test used).…”

Section: Introductionmentioning

confidence: 88%

“…Mangiulli et al. (2020) followed this same line of argumentation in their paper on feigned amnesia (i.e., say that they do not remember details) of a crime—which is another lying strategy known to undermine memory—and the misinformation effect. However, in their experiment feigning amnesia did not influence the misinformation effect and Mangiulli et al.…”

Section: Introductionmentioning

confidence: 97%

Simulating denial increases false memory rates for abuse unrelated information

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Mangiulli

Otgaar

2022

Behavioral Sci & The Law

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Victims of abuse might deny their traumatic experiences.We studied mnemonic effects of simulating false denial of a child sexual abuse narrative. Participants (N = 127) read and empathized with the main character of this narrative.Next, half were instructed to falsely deny abuse-related information while others responded honestly in an interview. One week later, participants received misinformation for the narrative and interview. In a final source memory task, participants' memory for the narrative and interview was tested. Participants who falsely denied abuse-related information endorsed more abuse-unrelated misinformation about the event than honest participants. Abuse-related false memory rates did not statistically differ between the groups, and false denials were not related to omission errors about (1) the interview and (2) narrative. Hence, victim's memory for abuse-related information related to their experience might not be affected by a false denial, and inconsistencies surrounding the abuse-unrelated information are more likely to take place.

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“…Specifically, non-believed memories are memories that can be vividly recollected but no longer believed ( Mazzoni et al, 2010 ; Otgaar et al, 2014b ). In studies of feigning amnesia, more omission and commission errors in free and/or cued recall tests have been found in those who deceive than in those who are honest ( Mangiulli et al, 2018a , b , 2019 , 2020 ; Romeo et al, 2019b ). Different from false denial and feigning amnesia, fabrication results in more false memories and memory distortions than telling the truth ( Chrobak and Zaragoza, 2013 ; Otgaar et al, 2014a ; Polage, 2019 ; Battista et al, 2020 , 2021b ).…”

Section: Introductionmentioning

confidence: 99%

More Lies Lead to More Memory Impairments in Daily Life

Liu

2022

Front. Psychol.

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Previous studies have demonstrated that lying can undermine memory and that its memory-undermining effects could be modulated by the cognitive resources required to tell lies. We extended the investigation of the memory-undermining effect by using a daily life setting in which participants were highly involved in a mock shopping task. Participants were randomly assigned to truth-telling, denying or mixed lying conditions. After finishing the shopping task, participants were told that two people wanted to know about their shopping lists and would ask them some questions in an interview. During the interview, participants were asked whether each of ten items were on the shopping list, five of which were randomly selected from the shopping list, while the other five were not sold in the store. In answering the interview questions, the truth-telling group was asked to respond honestly, the denying group was asked to give denial responses, and the mixed lying group was asked to respond deceptively. Thus, the denying group told five lies and the mixed lying group told ten lies in the interview. The item memory test, source memory test and destination memory test were given in an orderly manner 48 h after the interview. We found that the mixed lying group, rather than the denying group, forgot the lies they told in the interview and mistakenly believed they had lied about something that they had not lied about. Moreover, the mixed lying group retained fewer memories about the person they responded to than the honest group. In addition, participants in the mixed lying group had more non-believed memories than those in the truth-telling group in both item and source memory tests. We conclude that more lies could result in more memory disruptions in daily life.

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An experimental investigation of the misinformation effect in crime‐related amnesia claims

Cited by 10 publications

References 46 publications

Involvement Modulates the Effects of Deception on Memory in Daily Life

Involvement Modulates the Effects of Deception on Memory in Daily Life

Simulating denial increases false memory rates for abuse unrelated information

More Lies Lead to More Memory Impairments in Daily Life

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