PubMed Journal Database | Law and human behavior 
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Showing PubMed Articles 1–25 of 31 from Law and human behavior
Blind Consent? A Social Psychological Investigation of Non-Readership of Click-Through Agreements.
Across two studies we aimed to measure empirically the extent of non-readership of click-through agreements (CTAs), identify the dominant beliefs about CTAs contributing to non-readership, and experimentally manipulate these beliefs to decrease automatic non-reading behavior and enhance contract efficiency. In our initial questionnaire study (Study 1), as predicted, the vast majority of participants reported not reading CTAs and the most prevalent beliefs about CTAs contributing to non-readership included:...
The purpose of the current study was to examine the effect of a motivational intervention on conduct problem youth with psychopathic features. Specifically, the current study examined conduct problem youths' mental set (or theory) regarding intelligence (entity vs. incremental) upon task performance. We assessed 36 juvenile offenders with psychopathic features and tested whether providing them with two different messages regarding intelligence would affect their functioning on a task related to academic per...
Recent attempts to indict the use of actuarial risk assessment instruments have relied on confidence intervals to demonstrate that risk estimates derived at the group level do not necessarily apply to any specific individual within that group. This article contends that frequentist confidence intervals are inapposite to the current debate. Instead, Bayesian credible intervals are necessary-in principle-to accomplish what commentators are concerned about: describing the precision of an actuarial risk estimat...
Field Reliability of the SAVRY with Juvenile Probation Officers: Implications for Training.
Two complimentary studies were conducted to investigate the inter-rater reliability and performance of juvenile justice personnel when conducting the Structured Assessment of Violence Risk for Youth (SAVRY). Study 1 reports the performance on four standardized vignettes of 408 juvenile probation officers (JPOs) and social workers rating the SAVRY as part of their training. JPOs had high agreement with the expert consensus on the SAVRY rating of overall risk and total scores, but those trained by a peer mast...
In a recent study of sex offender civil commitment proceedings, Murrie et al. (Psychol Public Policy Law 15:19-53, 2009) found that state-retained experts consistently assigned higher PCL-R total scores than defense-retained experts for the same offenders (Cohen's d > .83). This finding raises an important question about the validity of these discrepant scores: Which type of score, state or defense evaluator, provides the most useful information about risk? We examined the ability of PCL-R total scores fr...
Miranda v. Arizona (384 U.S. 436, 1966) required that suspects be explicitly warned of the right to avoid self-incrimination and the right to legal representation. This research was designed to examine whether stress, induced via an accusation of wrong-doing, undermined or enhanced suspects' ability to comprehend their Miranda rights. Participants were randomly assigned to either be accused (n = 15) or not accused (n = 15) of having cheated on an experimental task in a two-cell between-subjects experime...
This study examined children's accuracy in response to truth-lie competency questions asked in court. The participants included 164 child witnesses in criminal child sexual abuse cases tried in Los Angeles County over a 5-year period (1997-2001) and 154 child witnesses quoted in the U.S. state and federal appellate cases over a 35-year period (1974-2008). The results revealed that judges virtually never found children incompetent to testify, but children exhibited substantial variability in their performanc...
Inconsistencies in eyewitness accounts are perceived as indicative of inaccuracy and reduce the witnesses' credibility. Reminiscence, the delayed recall of previously not recalled information, is generally interpreted as a type of inconsistency. Even though it does not necessarily involve the falsity of the statements, reminiscence presents a counterintuitive instance with mostly unknown reliability. Two studies empirically assessed the accuracy of reminiscent items after retention intervals of up to 1 week...
Predictors of Eyewitness Identification Decisions from Video Lineups in England: A Field Study.
Eyewitness identification decisions from 1,039 real lineups in England were analysed. Identification procedures have undergone dramatic change in the United Kingdom over recent years. Video lineups are now standard procedure, in which each lineup member is seen sequentially. The whole lineup is seen twice before the witness can make a decision, and the witness can request additional viewings of the lineup. A key aim of this paper was to investigate the association between repeated viewing and eyewitness dec...
This research was a cross-validation study of the Domestic Violence Screening Instrument-Revised (DVSI-R), using a diverse, statewide sample of 3,569 family violence perpetrators in Connecticut, assessed in February and March of 2007. It analyzed re-arrest data collected during an 18-month period post assessment. Three issues were central, which have been ignored in previous research on family violence risk assessment: (1) analyzing five refined measures of behavioral recidivism, (2) determining whether per...
The Effect of Listenability Factors on the Comprehension of Police Cautions.
We examined the extent to which modifying a police caution using three listenability factors (Instructions, Listing, and Explanations) improved comprehension. A 2 (Instructions vs. No Instructions) × 2 (Listing vs. No Listing) × 2 (Explanations vs. No Explanations) between-participants design was used. Participants (N = 160) were presented verbally with one of eight cautions and asked to record their understanding of the legal rights contained in the caution. Results showed a main effect of Explanat...
Mental Health in Violent Crime Victims: Does Sexual Orientation Matter?
The present study investigates victim sexual orientation in a sample of 641 violent crime victims seeking emergency medical treatment at a public-sector hospital. Victim sexual orientation was examined as it: (a) varies by type of violent crime and demographic characteristics, (b) directly relates to psychological symptoms, and (c) moderates the relationship between victim and crime characteristics (i.e., victim gender, victim trauma history, and type of crime) and psychological symptoms (i.e., symptoms of...
Improving Eyewitness Identification Accuracy by Screening Out Those Who Say They Don't Know.
Improving eyewitness identification evidence remains a key priority for research. Basic laboratory research has consistently demonstrated that allowing participants to withhold answers about which they are unsure leads to improved accuracy. Surprisingly, this approach has not been the subject of comprehensive investigation in the eyewitness identification literature. In this article, we explored the utility of allowing uncertain witnesses to opt out of an identification decision, by providing an explicit do...
Drawing on the psychological principle that proximal consequences influence behavior more strongly than distal consequences, the authors tested the hypothesis that criminal suspects exhibit a short-sightedness during police interrogation that increases their risk for confession. Consistent with this hypothesis, Experiment 1 showed that participants (N = 81) altered how frequently they admitted to criminal and unethical behaviors during an interview to avoid a proximal consequence even though doing so incr...
Three experiments were conducted to test the hypothesis that difference in voluntariness judgment for a custodial confession filmed in different camera focuses ("camera perspective bias") could occur because a particular camera focus conveys a suggestion of a particular cognitive frame. In Experiment 1, 146 juror eligible adults in Korea showed a camera perspective bias in voluntariness judgment with a simulated confession filmed with two cameras of different focuses, one on the suspect and the other on the...
Emotional deception is a common behaviour that can have major consequences if undetected. For example, the sincerity of an offender's expressed remorse is an important factor in sentencing and parole hearings. The present study was the first to investigate the nature of true and false remorse. We examined facial, verbal and body language behaviours associated with emotional deception in videotaped accounts of true personal transgressions accompanied by either genuine or falsified remorse. Analyses of nearly...
Does the Truth Come Out in the Writing? SCAN as a Lie Detection Tool.
We tested the accuracy of Scientific Content Analysis (SCAN), a verbal lie detection tool that is used world-wide by federal law enforcement and military agencies. Sixty-one participants were requested to write down the truth, an outright lie or a concealment lie about activities they had just completed. The statements were coded with SCAN and with another verbal lie detection tool, Reality Monitoring (RM). RM discriminated significantly between truth tellers and outright liars and between truth tellers and...
A Perpetrator's Accent Impairs Witnesses' Memory for Physical Appearance.
Sometimes witnesses to crimes must remember both a perpetrator's appearance and voice. Drawing upon multiple resource theory as well as previous findings that processing foreign-accented speech is more demanding than processing unaccented speech, we hypothesized that a perpetrator's accent can impair memory for his or her appearance. In Experiment 1, we used a secondary visual search task to demonstrate that processing an accented versus unaccented message demands more cognitive resources. In two additional...
Harmless Error Analysis: How Do Judges Respond to Confession Errors?
In Arizona v. Fulminante (1991), the U.S. Supreme Court opened the door for appellate judges to conduct a harmless error analysis of erroneously admitted, coerced confessions. In this study, 132 judges from three states read a murder case summary, evaluated the defendant's guilt, assessed the voluntariness of his confession, and responded to implicit and explicit measures of harmless error. Results indicated that judges found a high-pressure confession to be coerced and hence improperly admitted into eviden...
This study investigated whether defendants' ages and levels of psychosocial maturity would affect judges' ratings of juveniles' adjudicative competence in juvenile and criminal court. Three hundred forty two judges reviewed a forensic psychological report about a hypothetical defendant; only the defendant's age (12-17) and maturity level (mature, immature) varied across reports. Results revealed a main effect of age, with older juveniles generally deemed more competent, and a main effect of maturity, with m...
We examined police occurrence and criminal records data for a sample of 201 registered male child pornography offenders originally reported by Seto and Eke (Sex Abus J Res Treat 17:201-210, 2005), extending the average follow-up time for this sample to 5.9 years. In addition, we obtained the same data for another 340 offenders, increasing our full sample to 541 men, with a total average follow-up of 4.1 years. In the extended follow-up of the original sample, 34% of offenders had new charges for any type...
Thermal Imaging as a Lie Detection Tool at Airports.
We tested the accuracy of thermal imaging as a lie detection tool in airport screening. Fifty-one passengers in an international airport departure hall told the truth or lied about their forthcoming trip in an interview. Their skin temperature was recorded via a thermal imaging camera. Liars' skin temperature rose significantly during the interview, whereas truth tellers' skin temperature remained constant. On the basis of these different patterns, 64% of truth tellers and 69% of liars were classified corre...
Mental Health Courts and Their Selection Processes: Modeling Variation for Consistency.
Admission into mental health courts is based on a complicated and often variable decision-making process that involves multiple parties representing different expertise and interests. To the extent that eligibility criteria of mental health courts are more suggestive than deterministic, selection bias can be expected. Very little research has focused on the selection processes underpinning problem-solving courts even though such processes may dominate the performance of these interventions. This article des...
Inside Interrogation: The Lie, The Bluff, and False Confessions.
Using a less deceptive variant of the false evidence ploy, interrogators often use the bluff tactic, whereby they pretend to have evidence to be tested without further claiming that it necessarily implicates the suspect. Three experiments were conducted to assess the impact of the bluff on confession rates. Using the Kassin and Kiechel (Psychol Sci 7:125-128, 1996) computer crash paradigm, Experiment 1 indicated that bluffing increases false confessions comparable to the effect produced by the presentation...
There is growing support for the disaggregation of psychopathy into primary and secondary variants. This study examines whether variants of psychopathy can be identified in a subsample (n = 116) of juvenile offenders with high scores on the Youth Version of the Psychopathy Checklist (PCL:YV). Model-based cluster analysis of offenders' scores on the PCL:YV and a measure of anxiety suggested a two-group solution. The derived clusters manifested expected differences across theoretically relevant constructs of...
