The Internet is a scary place: How does evidence source and examinee race or ethnicity influence determinations of threat?

Violent rhetoric online is becoming increasingly relevant to the practice of forensic mental health assessment as examinee's virtual lives may transform into real-world acts of violence. With the rise of a diverse subculture of violent online communities, the aim of the present study was to inform how concerns with online sources of collateral data and racial/ethnic biases may influence determinations of violence potential. Using an experimental design, jury-eligible participants (N = 278) and forensic mental health experts (N = 78) were presented with mock Twitter (now referred to as X) posts that varied by data source (i.e., how information was accessed) and the examinee's race/ethnicity. Results showed no differences in participants' ratings of data credibility, how much weight they would place on the posts in a threat assessment, or how likely the examinee was to act violently against his intended target. Implications regarding the interpretation of social media evidence, relevant limitations, and future research are discussed.     

The Implied Imperative: Poetry as Ethics in the Proverbs of the Tirukkuṟaḷ

The Tirukkuṟaḷ is a text of Tamil proverbs that circulates widely in South India today. While the first two sections of the text contain practical pieces of ethical advice, the third section contains an extended love poem. This variation in content has resulted in a dichotomous view of the text in which ethics and poetry are viewed as fundamentally distinct. This paper blurs the distinction between ethics and poetry by showing how the poetic form of the Tirukkuṟaḷ's proverbs not only enhances the text's ethical message but also participates in the ethical formation of the text's audience. Building on Geoffrey Galt Harpham's notion of sub-ethics, I argue that the Tirukkuṟaḷ uses three literary strategies—metaphor, inference, and suspense—to engage the audience in modes of “sub-ethical” reflection by raising ethical questions and framing ethical choices.     

Linguistic Basicness and Colour Information Processing

Berlin and Kay's notion of basicness was defined by a combination of linguistic and psychological criteria, but they suggested that the psychological criteria might be extended. The experiments reported here were designed to explore a possible extension by searching for perceptual effects of basicness. Russian speakers who have two basic terms for the blue region of colour space were compared with English speakers who have only one basic term for the same region on two perceptual tasks. The first two experiments sought for greater Stroop interference for the Russians than for the English for the critical “blue” stimuli, and the third experiment sought greater perceptual differentiation for the Russians in the blue region. All experiments clearly replicated standard findings, but all singularly failed to find the predicted differences between the two groups. It is argued that whilst the results are consistent with there being no psychological effect of basicness, it is necessary to search for possible effects in other domains, such as recognition memory, before accepting this conclusion.     

Do Self-Incentives and Self-Rewards Change Behavior? A Systematic Review and Meta-Analysis

Encouraging people to self-incentivize (i.e., to reward themselves in the future if they are successful in changing their behavior) or self-reward (i.e., prompt people to reward themselves once they have successfully changed their behavior) are techniques that are frequently embedded within complex behavior change interventions. However, it is not clear whether self-incentives or self-rewards per se are effective at bringing about behavior change. Nine databases were searched alongside manual searching of systematic reviews and online research registers. One thousand four hundred papers were retrieved, spanning a range of behaviors, though the majority of included papers were in the domain of “health psychology”. Ten studies matched the inclusion criteria for self-incentive but no studies were retrieved for self-reward. The present systematic review and meta-analysis is therefore the first to evaluate the unique effect of self-incentives on behavior change. Effect sizes were retrieved from 7 of the 10 studies. Analysis of the 7 studies produced a very small pooled effect size for self-incentives (k = 7, N = 1,161), which was statistically significant, d₊ = 0.17, CI [0.06, 0.29]. The weak effect size and dearth of studies raises the question of why self-incentivizing is such a widely employed component of behavior change interventions. The present research opens up a new field of inquiry to establish: (a) whether or not self-incentivizing and self-rewarding are effective behavior change techniques, (b) whether self-incentives and self-rewards need to be deployed alongside other behavior change techniques, and, (c) when and for whom self-incentives and self-rewards could support effective behavior change.