دانلود مقاله ISI انگلیسی شماره 32908
عنوان فارسی مقاله

دانش فیلمنامه توسعه حافظه کاذب کودکان را بهبود می بخشد

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
32908 2010 7 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
Script knowledge enhances the development of children’s false memories
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Acta Psychologica, Volume 133, Issue 1, January 2010, Pages 57–63

کلمات کلیدی
کودکان - حافظه کاذب - دانش اسکریپت -
پیش نمایش مقاله
پیش نمایش مقاله دانش فیلمنامه توسعه حافظه کاذب کودکان را بهبود می بخشد

چکیده انگلیسی

We examined whether script knowledge contributes to the development of children’s false memories. Sixty 7-year-old and 60 11-year-old children listened to false narratives describing either a high-knowledge event (i.e., fingers being caught in a mousetrap) or a low-knowledge event (i.e., receiving a rectal enema) that were similar in terms of plausibility and pleasantness. Moreover, half of the children in each condition received additional suggestive details about the false events. Across two interviews, children had to report everything they remembered about the events. Script knowledge affected children’s false memories in that both younger and older children developed more false memories for the high-knowledge event than for the low-knowledge event. Moreover, at the first interview, additional suggestive details inhibited the development of children’s images into false memories.

مقدمه انگلیسی

Children are able to give detailed descriptions of events they experience in daily life (see Fivush, 1997 and Fivush, 1998). Although these descriptions will be often accurate, studies have shown that children can “remember” entire events that did not happen to them (e.g., Ceci and Bruck, 1993 and Otgaar et al., 2008). A common procedure in these studies is to present children with false narratives or doctored photographs suggesting that an event happened to them while in fact it did not (i.e., implantation paradigm: e.g., Otgaar et al., 2009, Pezdek and Hodge, 1999 and Strange et al., 2006). Subsequently, they are encouraged to report everything they remember about the fictitious event. With this procedure, many children can be brought to falsely remember a plethora of events ranging from plausible (i.e., lost in a shopping mall; Pezdek & Hodge, 1999) to implausible events (i.e., abducted by a UFO; Otgaar et al., 2009). The aim of the present study was to examine whether schematic or script knowledge (i.e., knowledge structures specifying sequences of actions; Fivush, 1997) is a critical precursor of children’s implanted false memories. So far, the few studies that explored the role of script knowledge focused on how it affects adults’ beliefs (Hart and Schooler, 2006 and Scoboria et al., 2006). Overall, these studies found that in adults, script knowledge is not a necessary prerequisite for false beliefs and memories to develop. Whether script knowledge contributes to the development of children’s false memories, however, is largely unknown. One of the few studies that addressed this issue in children is that of Pezdek and Hodge (1999). These authors reported that children more readily developed false memories for having been lost in a shopping mall than for having received a rectal enema. However, event plausibility and script knowledge were confounded in this study. That is to say, relative to the rectal enema event, children might possess more background knowledge about being lost in a shopping mall and find it a more plausible event. Although one might expect that the concepts of plausibility and script knowledge are highly correlated, the one study that examined this in adult participants found no relationship between them ( Scoboria, Mazzoni, Kirsch, & Relyea, 2004). Examining whether script knowledge boosts children’s false memories for entire events has theoretical significance. Although beliefs and memories are interrelated constructs, they are certainly not equivalent (Scoboria et al., 2004 and Smeets et al., 2005). When people have a memory of an event, they have a clear recollection of the event whereas people can believe in the occurrence of an event with or without recollection (Scoboria et al., 2004 and Smeets et al., 2005). Although former studies focusing on the role of script knowledge concentrated mainly on (false) belief ratings of adults (e.g., Hart and Schooler, 2006 and Scoboria et al., 2006), no study thus far has focused on the effect of script knowledge upon children’s false memory formation. Thus, it is relevant to examine whether in children existing script knowledge has an impact that goes beyond false beliefs and promotes genuine false memories. As well, it is unknown whether adding suggested details (i.e., background information) would further promote such memories. The Mazzoni and Kirsch (2002) metacognitive model of false belief and memory formation predicts that lack of knowledge about an event may be used to reject an unremembered event as not having occurred (see Ghetti (2008) for a similar argument). However, research on children’s metamemory abilities indicates that younger children may be less able to use their knowledge effectively to determine whether or not events did occur (see Ghetti and Alexander, 2004 and Koriat et al., 2001). Thus, it may well be the case that children form false memories even when they have no knowledge about a fictitious event. While it is true that recent research suggests that event plausibility is not a critical antecedent of young children’s false memories (Otgaar et al., 2009 and Strange et al., 2006), plausibility of events has not been well controlled in the preceding work on script knowledge. Indeed, previous studies did not specifically establish to what extent their target false events were regarded as plausible by children (e.g., Pezdek & Hodge, 1999). Recent work by Ghetti and Alexander (2004) demonstrated that before the age of 7, children tend not to use plausibility when evaluating unremembered events. In contrast from the age 9 onwards, children employ plausibility in a way that is similar to adults to reject false events. Hence, what is needed are studies that examine the impact of script knowledge upon children’s false memory formation while controlling for the plausibility of events. Another parameter that has not been systematically varied in past research is the degree to which fictitious events are judged as unpleasant. Studies which have contrasted events such as receiving a non-invasive medical procedure (e.g., an X-ray) or moderate unpleasant events (e.g., lost in a shopping mall; Pezdek & Hodge, 1999) with receiving an enema have the additional confound that the enema event is typically viewed as invasive and uncomfortable, and therefore may be less likely to be endorsed. To date, no study has examined whether script knowledge enhances children’s implanted false memories while holding plausibility and pleasantness constant. Hence, the aim of the present study was to investigate whether script knowledge promotes the development of children’s false memories. Using a false memory implantation procedure (see below), 7-year-old and 11-year-old children listened to fabricated narratives about a moderately plausible, low-knowledge event or a moderately plausible, high-knowledge event (see Appendix A). Half of the children received additional suggestive details about their target event. Across two interviews, children had to indicate everything they remembered about the event. Following Pezdek, Blandon-Gitlin, Lam, Hart, and Schooler (2006) who argued that script-relevant information must be retrieved from memory to facilitate the construction of an image of a false event, we hypothesized that the high-knowledge event would evoke more false memories than the low-knowledge event. Germane to this is also recent research showing that having semantic knowledge increases the development of false memories (Brainerd, Reyna, & Ceci, 2008). As to the effect of additional suggestive details, two outcomes are possible. On the one hand, additional suggestive details might deepen script-relevant information about the target events, thereby boosting false memory rates for the events. On the other hand, additional suggestive details may suppress false memory creation. The idea here is that additional suggestive details could restrict imagination and/or inhibit recall fluency, because extra information includes specific details, people, and locations thereby lowering the chances for the construction of false memories (Garry and Wade (2005); see also Tesser and Leone (1977)). With respect to age, we hypothesized that younger children would be more likely to develop implanted false memories than older children. This hypothesis was derived from developmental false memory research (see Bruck and Ceci, 1999, Otgaar et al., 2009 and Strange et al., 2006) showing that younger children assent more readily to suggestive manipulations than older children and adults. Furthermore, recent research shows that younger children are less effective in using metacognitive strategies (e.g., event memorability) to judge whether or not a false event has occurred. This implies that younger children are less likely able to reject false events and thus develop more false memories than older children (Ghetti & Alexander, 2004). Also, based upon Ghetti’s (2008) work, we anticipated that if younger children are less effective at using a lack of script knowledge to reject the occurrence of fictitious events, then they should show more false memories for the low-knowledge event than older children. To test this, we included two age groups: 7-year-olds and 11-year-olds (e.g., see also Bruck and Ceci, 1999 and Ceci et al., 1987). So, young children’s deficits in using metacognitive strategies could be particularly pronounced when they are presented with false events of which their knowledge is extremely limited (e.g., low-knowledge event; Ghetti, 2008).

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