Kim P. Roberts

The effects of repeated experience on children's suggestibility.

The effect of suggestive questions on 3- to 5-year-old and 6- to 8-year-old childrens recall of the final occurrence of a repeated event was examined. The event included fixed (identical) items as well as variable items where a new instantiation represented the item in each occurrence of the series. Relative to reports of children who participated in a single occurrence, childrens reports about fixed items of the repeated event were more accurate and less contaminated by false suggestions. For variable items, repeated experience led to a decline in memory of the specific occurrence; however, there was no increase in susceptibility to suggestions about details that had not occurred. Most errors after repeated experience were intrusions of details from nontarget occurrences. Although younger children and children who were interviewed a while after the event were more suggestible, respectively, than older children and those interviewed soon after the event, repeated experience attenuated these effects.

Describing individual incidents of sexual abuse: A review of research on the effects of multiple sources of information on children’s reports

OBJECTIVE For successful prosecution of child sexual abuse, children are often required to provide reports about individual, alleged incidents. Although verbally or mentally rehearsing memory of an incident can strengthen memories, childrens report of individual incidents can also be contaminated when they experience other events related to the individual incidents (e.g., informal interviews, dreams of the incident) and/or when they have similar, repeated experiences of an incident, as in cases of multiple abuse. METHOD Research is reviewed on the positive and negative effects of these related experiences on the length, accuracy, and structure of childrens reports of a particular incident. RESULTS Childrens memories of a particular incident can be strengthened when exposed to information that does not contradict what they have experienced, thus promoting accurate recall and resistance to false, suggestive influences. When the encountered information differs from childrens experiences of the target incident, however, children can become confused between their experiences-they may remember the content but not the source of their experiences. CONCLUSIONS We discuss the implications of this research for interviewing children in sexual abuse investigations and provide a set of research-based recommendations for investigative interviewers.

Children’s ability to distinguish between memories from multiple sources: Implications for the quality and accuracy of eyewitness statements

Abstract Identifying the sources of memories (e.g., who carried out an action, whether an event happened or was suggested, and when an instance of a repeated event occurred) is an important skill in providing accurate accounts of events in forensic investigations. Sensitivity to the nature and development of children’s source-monitoring skills can inform interviewing practices. Five perspectives addressing alternate aspects of the development of children’s source monitoring are outlined (source-monitoring theory, fuzzy-trace theory, schema theory, the person-based perspective, and the mental-state reasoning model). Six main areas of empirical research stemming from these theories are then discussed with emphasis on how the findings relate to the forensic arena: the similarity of sources, the identity of the agent, prospective processing, the relation of source monitoring to other cognitive skills, metacognitive understanding, and the stringency of source-monitoring decisions. The research reviewed is used to address two main applications to forensic investigations: (a) expectations of child witnesses and (b) interviewing protocols.

Effects of the timing of postevent information on preschoolers' memories of an event

Few researchers have investigated whether the timing of postevent information affects the accuracy of childrens reports of events they have experienced. In this study, four-year-olds dressed up in costumes and had their photographs taken. An unfamiliar adult spoke to the children about the event either a day (immediate condition) or a month (delayed condition) later, providing both accurate and misleading information about the staged event. When questioned five weeks after the event, children in a control group who had not received the review were more inaccurate answering focused questions than children who had been reminded of the event. A review a while after the event but shortly before the interview increased the amount of details recalled and this was not at the expense of accuracy. Misinformation was seldom reported spontaneously, although children in all groups acquiesced to leading questions in line with the misleading suggestions. Copyright

Retrieval of Episodic versus Generic Information: Does the Order of Recall Affect the Amount and Accuracy of Details Reported by Children about Repeated Events?.

Children (N = 157) 4 to 8 years old participated 1 time (single) or 4 times (repeated) in an interactive event. Across each condition, half were questioned a week later about the only or a specific occurrence of the event (depth first) and then about what usually happens. Half were prompted in the reverse order (breadth first). Children with repeated experience who first were asked about what usually happens reported more event-related information overall than those asked about an occurrence first. All children used episodic language when describing an occurrence; however, children with repeated-event experience used episodic language less often when describing what usually happens than did those with a single experience. Accuracy rates did not differ between conditions. Implications for theories of repeated-event memory are discussed.

The NICHD protocol: a review of an internationally-used evidence-based tool for training child forensic interviewers

Purpose – The purpose of this paper is to review an evidence-based tool for training child forensic interviewers called the National Institute of Child Health and Human Development Protocol (NICHD Protocol), with a specific focus on how the Protocol is being adapted in various countries. Design/methodology/approach – The authors include international contributions from experienced trainers, practitioners, and scientists, who are already using the Protocol or whose national or regional procedures have been directly influenced by the NICHD Protocol research (Canada, Finland, Israel, Japan, Korea, Norway, Portugal, Scotland, and USA). Throughout the review, these experts comment on: how and when the Protocol was adopted in their country; who uses it; training procedures; challenges to implementation and translation; and other pertinent aspects. The authors aim to further promote good interviewing practice by sharing the experiences of these international experts. Findings – The NICHD Protocol can be easily incorporated into existing training programs worldwide and is available for free. It was originally developed in English and Hebrew and is available in several other languages. Originality/value – This paper reviews an evidence-based tool for training child forensic interviewers called the NICHD Protocol. It has been extensively studied and reviewed over the past 20 years. This paper is unique in that it brings together practitioners who are actually responsible for training forensic interviewers and conducting forensic interviews from all around the world.

The role of executive function in children's source monitoring with varying retrieval strategies

Previous research on the relationship between executive function and source monitoring in young children has been inconclusive, with studies finding conflicting results about whether working memory and inhibitory control are related to source-monitoring ability. In this study, the role of working memory and inhibitory control in recognition memory and source monitoring with two different retrieval strategies were examined. Children (N = 263) aged 4–8 participated in science activities with two sources. They were later given a recognition and source-monitoring test, and completed measures of working memory and inhibitory control. During the source-monitoring test, half of the participants were asked about sources serially (one after the other) whereas the other half of the children were asked about sources in parallel (considering both sources simultaneously). Results demonstrated that working memory was a predictor of source-monitoring accuracy in both conditions, but inhibitory control was only related to source accuracy in the parallel condition. When age was controlled these relationships were no longer significant, suggesting that a more general cognitive development factor is a stronger predictor of source monitoring than executive function alone. Interestingly, the children aged 4–6 years made more accurate source decisions in the parallel condition than in the serial condition. The older children (aged 7–8) were overall more accurate than the younger children, and their accuracy did not differ as a function of interview condition. Suggestions are provided to guide further research in this area that will clarify the diverse results of previous studies examining whether executive function is a cognitive prerequisite for effective source monitoring.

Mental Context Reinstatement Increases Resistance to False Suggestions After Children Have Experienced a Repeated Event

When children allege repeated abuse, they are required to provide details about specific instances. This often results in children confusing details from different instances, therefore the aim of this study was to examine whether mental context reinstatement (MCR) could be used to improve childrens accuracy. Children (N = 120, 6–7-year-olds) participated in four activities over a 2-week period and were interviewed about the last (fourth) time with a standard recall or MCR interview. They were then asked questions about specific details, and some questions contained false information. When interviewed again 1 day later, children in the MCR condition resisted false suggestions that were consistent with the event more than false suggestions that were inconsistent; in contrast, children in the standard interview condition were equally suggestible for both false detail types and showed a yes bias. The results suggest a practical way of eliciting more accurate information from child witnesses.

The effects of different paraphrasing styles on the quality of reports from young child witnesses

Abstract Young childrens descriptions of sexual abuse are often sparse thus creating the need for techniques that elicit lengthier accounts. ‘Paraphrasing’, or repeating information children have just disclosed, is a technique sometimes used by forensic interviewers to clarify or elicit information (e.g. if a child stated ‘He touched me’, an interviewer could respond ‘He touched you?’). However, the effects of paraphrasing have yet to be scientifically assessed. The impact of different paraphrasing styles on young childrens reports was investigated. Overall, paraphrasing per se did not improve the length, richness, or accuracy of reports when compared to open-ended prompts such as ‘tell me more’, but some styles of paraphrasing were more beneficial than others. The results provide clear recommendations for investigative interviewers about how to use paraphrasing appropriately, and which practices can compromise the quality of childrens reports.

Observations From Canadian Practitioners About the Investigation and Prosecution of Crimes Involving Child and Adult Witnesses

Hundreds of scientific studies on the competencies and limitations of eyewitnesses have been published, but few have sought input from front-line forensic interviewers. In the current study, a research agenda was established with in-depth input from 13 forensic interviewers. Interviewers indicated which techniques they use most often, rated the usefulness of various interview techniques, and disclosed common challenges when interviewing. Although many recommended techniques were used (e.g., the Cognitive Interview and Rapport Building), some techniques shown to be effective in eliciting quality testimony in scientific studies were not always used or considered useful by front-line interviewers (e.g., permission to correct the interviewer, permission to say, “I don’t know”). Key areas were identified to guide future research (e.g., techniques when interviewing very young children, witnesses with developmental delays).