Effects of positive mood on attention broadening for self-related information

Studies on cognitive effects of positive emotions have associated positive emotions to broadened attention. Given the widely investigated relationship between self-focused attention and mood, it is important to investigate the effect of positive mood on visuospatial attention for self-related information. We used a performance-based measure to assess fluctuations in attentional broadening from self-related contrasted to not-self-related information. In Experiment 1, we checked that the self-related versus not-self-related stimuli did not evoke differential attention effects in general. In Experiment 2, we manipulated mood and found that an increase in positive mood was associated with a relative broadening of attention for self-related information. These results suggest that the meaning of the target of attention provides an interesting dimension for further investigation into the relation between positive emotions and attentional broadening.     

The Probability of Guilt in Criminal Cases: Are People Aware of Being ‘Beyond Reasonable Doubt’?

Data from a series of studies presenting video recorded witness statements to laypersons and legal professionals were examined to trace the relationship between judged probability of guilt and the willingness to vote guilty or not guilty in hypothetical trials, in the absence of specific jury instructions. The results show that a majority of jury‐eligible young and elderly participants, and police officers, were willing to convict a defendant when the judged probability of guilt exceeded .6. This is considerably below the legally accepted standard of ‘beyond reasonable doubt’, which usually is equated with a very high, around .9 perceived certainty. When jury deliberations were allowed, the threshold for conviction rose, approaching the standard evinced by trial judges under the same conditions. The results suggest that people prefer to vote for guilt according to a balance of probabilities principle, considering only the individual case, and disregarding the implied frequencies of false convictions. Copyright © 2013 John Wiley & Sons, Ltd.     

Proactive control of proactive interference using the method of loci

Proactive interferencebuilds up with exposure to multiple lists of similar items with a resulting reduction in recall. This study examined the effectiveness of using a proactive strategy of the method of loci to reduce proactive interference in a list recall paradigm of categorically similar words. While all participants reported using some form of strategy to recall list words, this study demonstrated that young adults were able to proactively use the method of loci after 25 min of instruction to reduce proactive interference as compared with other personal spontaneous strategies. The implications of this study are that top-down proactive strategies such as the method of loci can significantly reduce proactive interference, and that the use of image and sequence or location are especially useful in this regard.     

Pure colour novelty captures the gaze

While it is common wisdom that a salient visual event draws attention, experimental research provided mixed support for this hypothesis. The present experiment seeks evidence that a singleton draws attention to the degree that its feature is novel or unexpected. Two visual search experiments were conducted where an irrelevant colour singleton is presented on each pre-critical trial to familiarize participants with the presence of the singleton. In the critical trial of Experiment 1, the singleton was presented in a novel colour without prior announcement. The singleton was gazed at significantly earlier and longer in the critical trial, as compared to pre-critical trials. This result is consistent with predictions from the expectancy discrepancy hypothesis that colour novelty is sufficient to capture attention. Experiment 2 tested the alternative explanation that a surprising event mainly leads to a breakdown of the previously acquired attentional set, which in turn causes a reorientation towards perceptual salience. An unannounced change of the background colour in the critical trial while the singleton colour remained unchanged did not induce an attentional capture by the singleton like in Experiment 1. This result further confirms that surprising events capture attention in a spatial manner.     

Leadership Developmental Level and Performance: An Investigation of Gender Differences

This study investigates the predictive ability of Leadership Developmental Levels (Constructive/Developmental Theory) in a model of leader performance. Using 67 executive leaders from a Leadership Development Consulting firm, Leadership Developmental Level was found to predict leader performance for males, but not for females. This study investigates potential sources of this discrepancy, including rater bias, Performance Differences, Developmental Differences, Interpersonal Connection Style, and Gender Moderation. It is found that the source of the gender distinction is in Interpersonal Connection Style.     

Effects of feedback reliability on feedback-related brain activity: A feedback valuation account

Adaptive decision making relies on learning from feedback. Because feedback sometimes can be misleading, optimal learning requires that knowledge about the feedback’s reliability be utilized to adjust feedback processing. Although previous research has shown that feedback reliability indeed influences feedback processing, the underlying mechanisms through which this is accomplished remain unclear. Here we propose that feedback processing is adjusted by the adaptive, top-down valuation of feedback. We assume that unreliable feedback is devalued relative to reliable feedback, thus reducing the reward prediction errors that underlie feedback-related brain activity and learning. A crucial prediction of this account is that the effects of feedback reliability are susceptible to contrast effects. That is, the effects of feedback reliability should be enhanced when both reliable and unreliable feedback are experienced within the same context, as compared to when only one level of feedback reliability is experienced. To evaluate this prediction, we measured the event-related potentials elicited by feedback in two experiments in which feedback reliability was varied either within or between blocks. We found that the fronto-central valence effect, a correlate of reward prediction errors during reinforcement learning, was reduced for unreliable feedback. But this result was obtained only when feedback reliability was varied within blocks, thus indicating a contrast effect. This suggests that the adaptive valuation of feedback is one mechanism underlying the effects of feedback reliability on feedback processing.     

ON SOCIAL EVIL AND NATURAL EVIL: IN CONVERSATION WITH CHRISTOPHER SOUTHGATE

In this contribution, the author engages in a conversation with Christopher Southgate on the relationship between social evil and what is called natural “evil.” Theologically, this centers around an understanding of creation and fall. It is argued that Southgate typically treats soteriology and eschatology as themes pertaining to an evolutionary theodicy, whereas an adequate ecotheology would discuss the problem of natural suffering under the rubric of the narrative of God's economy. The question is then how that story is best told.     

Cannabis and Amphetamine Use and Socio-Ecological Proximal and Distal Factors Among School-Going Adolescents in Six Pacific Island Countries

The study aimed to assess the prevalence of cannabis and amphetamine use and socio-ecological proximal and distal factors among adolescents in six Pacific Island countries. We analyzed cross-sectional survey data from 9,849 adolescents (mean age 14.2 years, SD?=?1.2) from Cook Islands, Kiribati, Samoa, Solomon Islands, Tonga and Tuvalu that participated in the “Global School-Based Student Health Survey (GSHS)” in 2011–2013. The prevalence of past-month cannabis use was 15.5%, and lifetime amphetamine use was 14.5%, with the highest prevalence in Samoa, 37.1% and 34.6%, respectively. In adjusted mixed-effects logistic regression analysis male gender, personal attributes (anxiety, loneliness, current tobacco use, current alcohol use and school truancy) and environmental stressors (having been in a physical fight, been physically attacked, sustained an injury, hunger and being bullied) were associated with past-month cannabis and/or lifetime amphetamine use. Parental substance use was positively and parental involvement negatively associated with past-month cannabis and/or lifetime amphetamine use. Measures to prevent and control cannabis and amphetamine use in this adolescent population should include personal attributes, environmental stressors and parental support.     

The emotional male victim: Effects of presentation mode on judged credibility

The emotional victim effect (EVE, i.e., that the emotionality of a victim's demeanor affects perceived credibility) is a robust research finding for female victims of rape but much less explored for other types of victims and crimes. In this article, we investigate the EVE with a male assault complainant. In addition, we vary the presentation mode via which the complainant is shown to the assessors. A sample of law students (N = 81) participated in an experiment where they viewed and assessed credibility of a male complainant who appeared either live or on video. The complainant behaved either in an emotional or a neutral manner. Result showed that the presentation mode but not the EVE affected the assessors' credibility assessments: The complainant was perceived as more truthful when communicating live, as opposed to via video. Practical implications, as well as the generality of the EVE, are discussed.