Criteria-Based Content Analysis: An empirical test of its underlying processes

Abstract

Criteria-Based Content Analysis (CBCA) is a tool to assess the veracity of written statements, and is used as evidence in criminal courts in several countries in the world. CBCA scores are expected to be higher for truth tellers than for liars. The underlying assumption of CBCA is that (i) lying is cognitively more difficult than truth telling, and (ii) that liars are more concerned with the impression they make on others than truth tellers. However, these assumptions have not been tested to date. In the present experiment 80 participants (undergraduate students) lied or told the truth about an event. Afterwards, they completed a questionnaire measuring “cognitive load” and “tendency to control speech”. The interviews were transcribed and coded by trained CBCA raters. In agreement with CBCA assumptions, (i) truth tellers obtained higher scores than liars, (ii) liars experienced more cognitive load than truth tellers, and (iii) liars tried harder to control their speech. However, cognitive load and speech control were not correlated with CBCA scores in the predicted way.     

Sexual grooming of children: Review of literature and theoretical considerations

Abstract

The current review aims to outline the existing understanding of sexual grooming. Issues of poor definition, the adoption of the term “grooming” and the prevalence of sexual grooming will be discussed. Consideration will be given to how prominent theories of child sexual abuse often neglect sexual grooming. This will be followed by a detailed account of the existing knowledge within the literature. Three types of sexual grooming were thus identified: self-grooming, grooming the environment and significant others and grooming the child. Based on these findings, a new definition of sexual grooming is suggested. Furthermore, the findings correspond well with current models of the sexual offence process. A more comprehensive understanding of sexual grooming is required to facilitate a preventative approach to child protection.     

Does a therapeutic court context matter?: The likelihood of imprisonment for Indigenous and non-Indigenous offenders sentenced in problem-solving courts

A key aspect of the focal concerns perspective of sentencing is that time and information restrictions within the courtroom create the conditions under which perceptual shorthands may impact sentencing determinations. These shorthands are based stereotypes related to offender characteristics including minority group statuses (i.e. ethnicity, race, Indigenous status) (Steffensmeier et al., 1998). To date, sentencing scholars drawing on the focal concerns perspective have only considered the impact of minority group statuses on sentencing in the mainstream courts (Mitchell, 2005; Spohn, 2000). Utilizing multiple regression techniques the current paper explores the impact of Indigenous status on the decision to imprison in the problem solving courts of South Australia. Unlike the mainstream courts, sentencing determinations within the therapeutic problem-solving court environment involve a more extensive examination of offenders and their cases and by extension, perceptual shorthands should be less influential. Evidence supporting this argument is provided by the current research. Results show a direct relationship between Indigenous status and the likelihood of imprisonment, with leniency being extended to Indigenous offenders.     

An innovative transfer DNA experimental design and qPCR assay: Protocol and pilot study

Forensic “touch” DNA samples are low-quantity samples that are recovered from surfaces that have been touched by single or multiple individuals. These samples can include DNA from primary contributors who directly touched the surface, as well as secondary contributors whose DNA was transferred to the surface through an intermediary. It is difficult to determine the type of transfer, or how often and under what conditions DNA transfer occurs. In this paper, we present an innovative protocol that combines (1) a paired male and female transfer DNA experimental design in which the presence of male DNA indicates secondary transfer and (2) a cost-effective quantitative PCR (qPCR) assay of a sex-specific region in the Amelogenin gene to detect male and female DNA. We evaluate the ability of the Amelogenin qPCR assay to detect low concentrations of male and female DNA in mixed samples. We also test experimental DNA samples using our transfer DNA protocol to differentiate primary and secondary DNA transfer. Male DNA was detected in the majority of known mixed samples, even in samples with 4× more female DNA—this result demonstrates the ability to detect low concentrations of male DNA and the presence of secondary transfer DNA in our experimental design. Primary DNA transfer was detected in 100% of our experimental trials and secondary DNA transfer was detected in 37.5% of trials. Our innovative protocol mimics realistic case scenarios to establish rates of primary and secondary DNA transfer in an inexpensive and simplified manner.