Thinking Fast and Furious: Emotional Intensity and Opinion Polarization in Online Media. David Asker, Elias Dinas. Public Opinion Quarterly, nfz042, September 9 2019, https://doi.org/10.1093/poq/nfz042
Abstract: How do online media increase opinion polarization? The “echo chamber” thesis points to the role of selective exposure to homogeneous views and information. Critics of this view emphasize the potential of online media to expand the ideological spectrum that news consumers encounter. Embedded in this discussion is the assumption that online media affects public opinion via the range of information that it offers to users. We show that online media can induce opinion polarization even among users exposed to ideologically heterogeneous views, by heightening the emotional intensity of the content. Higher affective intensity provokes motivated reasoning, which in turn leads to opinion polarization. The results of an online experiment focusing on the comments section, a user-driven tool of communication whose effects on opinion formation remain poorly understood, show that participants randomly assigned to read an online news article with a user comments section subsequently express more extreme views on the topic of the article than a control group reading the same article without any comments. Consistent with expectations, this effect is driven by the emotional intensity of the comments, lending support to the idea that motivated reasoning is the mechanism behind this effect.
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Thursday, September 12, 2019
Violent Video Game Content & Aggressive Behaviour: Effect sizes are alike the sizes of significant yet nonsense effects of Extra Sensory Perception
Drummond, Aaron, and James D. Sauer. 2019. “Divergent Meta-analyses Do
Not Present Uniform Evidence That Violent Video Game Content Increases
Aggressive Behaviour.” PsyArXiv. September 13. doi:10.31234/osf.io/xms5u
Abstract: Whether violent games increase aggression is a contentious issue. The relatively enduring disagreement in the literature about whether violent video games cause increased aggression is reflected in divergent meta-analyses. Though we applaud Mathur and VanderWeele (2019) for attempting to synthesise such divergent meta-analyses to determine an overarching view on the effects of violent media, we argue that their interpretation of the evidence is misguided. Underpinning the notion that the evidence, in general, favours a “violent game effect” lie two problematic assumptions: (a) that the analyses conducted within these meta-analyses are equally methodologically and statistically rigorous and therefore equally valid, and (b) that even tiny effects are veridical. Here, we show that the effects reported by Anderson et al. (2010) appear to overstate the evidence in favour of a relationship between violent game content and aggression, and that bias-corrected models produce only tiny effects (Hilgard et al., 2017). We then compare these smaller effects estimated by Hilgard et al. (2017) and Ferguson (2015) to show that they appear to be in close agreement. Finally, as a reminder that non-zero meta-analytic effect sizes do not guarantee that an effect is meaningful, we compare these effect sizes to the sizes of (significant) yet nonsense effects of Extra Sensory Perception to show that the effects of violent game content on aggression are so small that we should dismiss them as practically meaningless.
Check also Aggressive Video Games are Not a Risk Factor for Future Aggression in Youth: A Longitudinal Study. Christopher J. Ferguson1●C. K. John Wang. Journal of Youth and Adolescence. Accepted June 20 2019. https://www.bipartisanalliance.com/2019/07/aggressive-video-games-are-not-risk.html
Abstract: Whether violent games increase aggression is a contentious issue. The relatively enduring disagreement in the literature about whether violent video games cause increased aggression is reflected in divergent meta-analyses. Though we applaud Mathur and VanderWeele (2019) for attempting to synthesise such divergent meta-analyses to determine an overarching view on the effects of violent media, we argue that their interpretation of the evidence is misguided. Underpinning the notion that the evidence, in general, favours a “violent game effect” lie two problematic assumptions: (a) that the analyses conducted within these meta-analyses are equally methodologically and statistically rigorous and therefore equally valid, and (b) that even tiny effects are veridical. Here, we show that the effects reported by Anderson et al. (2010) appear to overstate the evidence in favour of a relationship between violent game content and aggression, and that bias-corrected models produce only tiny effects (Hilgard et al., 2017). We then compare these smaller effects estimated by Hilgard et al. (2017) and Ferguson (2015) to show that they appear to be in close agreement. Finally, as a reminder that non-zero meta-analytic effect sizes do not guarantee that an effect is meaningful, we compare these effect sizes to the sizes of (significant) yet nonsense effects of Extra Sensory Perception to show that the effects of violent game content on aggression are so small that we should dismiss them as practically meaningless.
Check also Aggressive Video Games are Not a Risk Factor for Future Aggression in Youth: A Longitudinal Study. Christopher J. Ferguson1●C. K. John Wang. Journal of Youth and Adolescence. Accepted June 20 2019. https://www.bipartisanalliance.com/2019/07/aggressive-video-games-are-not-risk.html
From 2017... Participants, particularly women, avoided receiving attractiveness feedback more when the ratings came from high-threat evaluators (university peers) than from low-threat evaluators (older adults, children)
From 2017... Hot or not? How self-view threat influences avoidance of attractiveness feedback. Jennifer L. Howell, Kate Sweeny, Wendi Miller & James A. Shepperd. Self and Identity, Volume 18, 2019 - Issue 2, Pages 144-158, Dec 10 2017. https://doi.org/10.1080/15298868.2017.1401552
Abstract: In two studies, we examined whether people’s decision to receive evaluations of their own attractiveness depended on whether the evaluations came from sources that might threaten their self-views. Participants believed that evaluators rated their attractiveness based on a photograph taken earlier and ostensibly uploaded to a website. Participants then received the opportunity to view the attractiveness ratings from the evaluators. In both studies, and in a meta-analysis including two pilot studies that are reported in Supplemental Materials online, participants – particularly women – rated feedback as more threatening and avoided receiving feedback more when the ratings came from high-threat evaluators (university peers) than from low-threat evaluators (students at another university, older adults, or children). The robustness of this overall effect was confirmed in the meta-analysis. These results suggest that self-view threat can prompt information avoidance.
Keywords: Information avoidance, self-view threat, attractiveness
Abstract: In two studies, we examined whether people’s decision to receive evaluations of their own attractiveness depended on whether the evaluations came from sources that might threaten their self-views. Participants believed that evaluators rated their attractiveness based on a photograph taken earlier and ostensibly uploaded to a website. Participants then received the opportunity to view the attractiveness ratings from the evaluators. In both studies, and in a meta-analysis including two pilot studies that are reported in Supplemental Materials online, participants – particularly women – rated feedback as more threatening and avoided receiving feedback more when the ratings came from high-threat evaluators (university peers) than from low-threat evaluators (students at another university, older adults, or children). The robustness of this overall effect was confirmed in the meta-analysis. These results suggest that self-view threat can prompt information avoidance.
Keywords: Information avoidance, self-view threat, attractiveness
Some developmental theories of intelligence posit that gains in crystallized intelligence depend mainly on fluid intelligence but also on a range of so-called intellectual investment traits, like Openness to Experience and interest
Should students be smart, curious, or both? Fluid intelligence, openness, and interest co-shape the acquisition of reading and math competence. Clemens M. Lechner, Ai Miyamoto, Thomas Knopf. Intelligence, Volume 76, September–October 2019, 101378. https://doi.org/10.1016/j.intell.2019.101378
Highlights
• Fluid intelligence, Openness, and interest co-shape reading and math competence
• Fluid intelligence and subject-specific interests interact synergistically
• Interest has more pervasive effects than Openness
• Findings are highly similar for both domains, reading and math
• Results confirm and extend developmental models of intelligence
Abstract: Developmental theories of intelligence in the tradition of Cattell's investment theory posit that gains in crystallized intelligence (gc) depend mainly on fluid intelligence (gf) but also on a range of so-called intellectual investment traits, such as Openness to Experience and interest in a subject area. However, the relative predictive power of, and the precise nature of the interplay between, gf and different intellectual investment traits remains incompletely understood. In this study, we use large-scale, multi-wave data on secondary school students from the German National Educational Panel Study (NEPS; N = 4646) to investigate how gf, Openness, and subject-specific interest relate to baseline levels and change over two years in gc in two domains, reading and math. Results of latent-variable models revealed that gf and interest, and to a lesser extent, Openness, predicted higher initial levels and stronger gains over two years in reading competence and mathematical competence. Moreover, results yielded strong support for the notion that gf interacts synergistically with interest in reading and math in producing (gains in) reading competence and mathematical competence. In other words, gf and interest cross-fertilize each other, with students who have both high gf and high interest showing the highest rate of skill and knowledge acquisition. Our findings contribute to developmental theories of intelligence by providing further support for the claim that gf and intellectual investment traits are both essential for the development of gc—and by showing that the interplay between gc and investment traits is interactive and synergistic in nature.
Highlights
• Fluid intelligence, Openness, and interest co-shape reading and math competence
• Fluid intelligence and subject-specific interests interact synergistically
• Interest has more pervasive effects than Openness
• Findings are highly similar for both domains, reading and math
• Results confirm and extend developmental models of intelligence
Abstract: Developmental theories of intelligence in the tradition of Cattell's investment theory posit that gains in crystallized intelligence (gc) depend mainly on fluid intelligence (gf) but also on a range of so-called intellectual investment traits, such as Openness to Experience and interest in a subject area. However, the relative predictive power of, and the precise nature of the interplay between, gf and different intellectual investment traits remains incompletely understood. In this study, we use large-scale, multi-wave data on secondary school students from the German National Educational Panel Study (NEPS; N = 4646) to investigate how gf, Openness, and subject-specific interest relate to baseline levels and change over two years in gc in two domains, reading and math. Results of latent-variable models revealed that gf and interest, and to a lesser extent, Openness, predicted higher initial levels and stronger gains over two years in reading competence and mathematical competence. Moreover, results yielded strong support for the notion that gf interacts synergistically with interest in reading and math in producing (gains in) reading competence and mathematical competence. In other words, gf and interest cross-fertilize each other, with students who have both high gf and high interest showing the highest rate of skill and knowledge acquisition. Our findings contribute to developmental theories of intelligence by providing further support for the claim that gf and intellectual investment traits are both essential for the development of gc—and by showing that the interplay between gc and investment traits is interactive and synergistic in nature.
Relative to industrialized populations, men from subsistence groups exhibit lower testosterone values and more modest declines with age; paper discusses reasons for these lower values
A Comparison of men’s Life History, Aging, and Testosterone Levels among Datoga Pastoralists, Hadza Foragers, and Qom Transitional Foragers. Louis Calistro Alvarado et al. Adaptive Human Behavior and Physiology, September 12 2019. https://link.springer.com/article/10.1007/s40750-019-00116-1
Abstract
Objectives: Relative to industrialized populations, men from subsistence groups exhibit lower testosterone values and more modest declines with age. Limited energy availability has been hypothesized to suppress testosterone production, particularly during young adulthood when testosterone levels are highest, resulting in a flatter trajectory of age-decline. Energetic constraint, however, is not unique to the evolutionary ecology of humans, and yet significant age-related testosterone decline is observed in numerous species of wild primates. Conversely, human life history is distinguished by extensive bi-parental care and male provisioning. Because fathers show decreased testosterone with parenting effort, we argue that within more naturalistic and evolutionarily relevant ecologies, natural fertility and earlier reproduction suppresses testosterone in emerging adulthood such that a lower relative baseline dictates less age-decline across the remaining lifespan.
Methods: We examine men’s testosterone levels as contrasting functions of energetic status and paternal involvement across three traditional populations with substantial variability in men’s nutritional condition and parental investment. Anthropometric and demographic data along with saliva samples were collected from 70 Datoga, 29 Hadza, and 43 Qom men, ages 20–72 years.
Results: Population variation in salivary testosterone was greatest at younger ages and patterned so paternal involvement associated with lower morning and evening testosterone, along with diminished age-decline in both measures. Men’s energetic status as indicated by body mass index was not associated with testosterone values or age-related decline.
Conclusions: Within socioecological contexts of smaller scale society, these data suggest that blunted age-decline in men’s testosterone levels is primarily due to population variation in parental investment rather than energetic constraint.
Keywords: Men’s life course Aging Testosterone Smaller scale societies
Abstract
Objectives: Relative to industrialized populations, men from subsistence groups exhibit lower testosterone values and more modest declines with age. Limited energy availability has been hypothesized to suppress testosterone production, particularly during young adulthood when testosterone levels are highest, resulting in a flatter trajectory of age-decline. Energetic constraint, however, is not unique to the evolutionary ecology of humans, and yet significant age-related testosterone decline is observed in numerous species of wild primates. Conversely, human life history is distinguished by extensive bi-parental care and male provisioning. Because fathers show decreased testosterone with parenting effort, we argue that within more naturalistic and evolutionarily relevant ecologies, natural fertility and earlier reproduction suppresses testosterone in emerging adulthood such that a lower relative baseline dictates less age-decline across the remaining lifespan.
Methods: We examine men’s testosterone levels as contrasting functions of energetic status and paternal involvement across three traditional populations with substantial variability in men’s nutritional condition and parental investment. Anthropometric and demographic data along with saliva samples were collected from 70 Datoga, 29 Hadza, and 43 Qom men, ages 20–72 years.
Results: Population variation in salivary testosterone was greatest at younger ages and patterned so paternal involvement associated with lower morning and evening testosterone, along with diminished age-decline in both measures. Men’s energetic status as indicated by body mass index was not associated with testosterone values or age-related decline.
Conclusions: Within socioecological contexts of smaller scale society, these data suggest that blunted age-decline in men’s testosterone levels is primarily due to population variation in parental investment rather than energetic constraint.
Keywords: Men’s life course Aging Testosterone Smaller scale societies
There is evidence that naturally cycling women in their fertile phase, compared to their luteal phase, evaluate specific behavioral cues in men as more attractive for sexual relationships; but this effect is not reproducible
Stern, Julia, Tanja M. Gerlach, and Lars Penke. 2018. “Probing Ovulatory Cycle Shifts in Women’s Preferences for Men’s Behaviors.” PsyArXiv. March 1. doi:10.31234/osf.io/7g3xc
Abstract: The existence of ovulatory cycle shifts in women’s mate preferences has been discussed controversially. There is evidence that naturally cycling women in their fertile phase, compared to their luteal phase, evaluate specific behavioral cues in men as more attractive for sexual relationships. However, recent research has cast doubt on these findings. We addressed this debate in a large, pre-registered within-subject study including salivary hormone measures and luteinizing hormone tests. One-hundred-fifty-seven female participants rated natural videos of 70 men in dyadic intersexual interactions on sexual and long-term attractiveness. Multilevel comparisons across two ovulatory cycles indicated that women’s mate preferences for men’s behaviors did not shift across the cycle, neither for competitive, nor for courtship behavior. Within-women hormone levels and relationship status did not affect these results. Hormonal mechanisms and implications for estrus theories are discussed.
Abstract: The existence of ovulatory cycle shifts in women’s mate preferences has been discussed controversially. There is evidence that naturally cycling women in their fertile phase, compared to their luteal phase, evaluate specific behavioral cues in men as more attractive for sexual relationships. However, recent research has cast doubt on these findings. We addressed this debate in a large, pre-registered within-subject study including salivary hormone measures and luteinizing hormone tests. One-hundred-fifty-seven female participants rated natural videos of 70 men in dyadic intersexual interactions on sexual and long-term attractiveness. Multilevel comparisons across two ovulatory cycles indicated that women’s mate preferences for men’s behaviors did not shift across the cycle, neither for competitive, nor for courtship behavior. Within-women hormone levels and relationship status did not affect these results. Hormonal mechanisms and implications for estrus theories are discussed.
How Virtue Signalling Makes Us Better: Moral Preferences with Respect to Autonomous Vehicle Type Choices
Kopecky, Robin, Michaela Košová, Daniel D. Novotný, Jaroslav Flegr, and David Černý. 2019. “How Virtue Signalling Makes Us Better: Moral Preferences with Respect to Autonomous Vehicle Type Choices.” PsyArXiv. September 11. doi:10.31234/osf.io/36vzk
Abstract
Autonomous vehicles (henceforth AVs) are expected to significantly benefit our transportation systems, their safety, efficiency, and impact on environment. However, many technical, social, legal, and moral questions and challenges concerning AVs and their introduction to the mass market still remain. One of the pressing moral issues has to do with the choice between AV types that differ in their built-in algorithms for dealing with situations of unavoidable lethal collision. In this paper we present the results of our study of moral preferences with respect to three types of AVs: (1) selfish AVs that protect the lives of passenger(s) over any number of bystanders; (2) altruistic AVs that minimize the number of casualties, even if this leads to death of passenger(s); and (3) conservative AVs that abstain from interfering in such situations even if it leads to the death of a higher number of subjects or death of passenger(s). We furthermore differentiate between scenarios in which participants are to make their decisions privately or publicly, and for themselves or for their offspring. We disregard gender, age, health, biological species and other characteristics of (potential) casualties that can affect the preferences and decisions of respondents in our scenarios. Our study is based on a sample of 2769 mostly Czech volunteers (1799 women, 970 men; age IQR: 25-32). The data come from our web-based questionnaire which was accessible from May 2017 to December 2017. We aim to answer the following two research questions: (1) Whether the public visibility of an AV type choice makes this choice more altruistic and (2) which type of situation is more problematic with regard to the altruistic choice: opting for society as a whole, for oneself, or for one’s offspring.
Our results show that respondents exhibit a clear preference for an altruistic utilitarian strategy for AVs. This preference is reinforced if the AV signals its strategy to others. The altruistic preference is strongest when people choose software for everybody else, weaker in personal choice, and weakest when choosing for one’s own child. Based on the results we conclude that, in contrast to a private choice, a public choice is considerably more likely to pressure consumers in their personal choice to accept a non-selfish solution, making it a reasonable and relatively cheap way to shift car owners and users towards higher altruism. Also, a hypothetical voting in Parliament about a single available program is less selfish when the voting does not take place in secret.
Abstract
Autonomous vehicles (henceforth AVs) are expected to significantly benefit our transportation systems, their safety, efficiency, and impact on environment. However, many technical, social, legal, and moral questions and challenges concerning AVs and their introduction to the mass market still remain. One of the pressing moral issues has to do with the choice between AV types that differ in their built-in algorithms for dealing with situations of unavoidable lethal collision. In this paper we present the results of our study of moral preferences with respect to three types of AVs: (1) selfish AVs that protect the lives of passenger(s) over any number of bystanders; (2) altruistic AVs that minimize the number of casualties, even if this leads to death of passenger(s); and (3) conservative AVs that abstain from interfering in such situations even if it leads to the death of a higher number of subjects or death of passenger(s). We furthermore differentiate between scenarios in which participants are to make their decisions privately or publicly, and for themselves or for their offspring. We disregard gender, age, health, biological species and other characteristics of (potential) casualties that can affect the preferences and decisions of respondents in our scenarios. Our study is based on a sample of 2769 mostly Czech volunteers (1799 women, 970 men; age IQR: 25-32). The data come from our web-based questionnaire which was accessible from May 2017 to December 2017. We aim to answer the following two research questions: (1) Whether the public visibility of an AV type choice makes this choice more altruistic and (2) which type of situation is more problematic with regard to the altruistic choice: opting for society as a whole, for oneself, or for one’s offspring.
Our results show that respondents exhibit a clear preference for an altruistic utilitarian strategy for AVs. This preference is reinforced if the AV signals its strategy to others. The altruistic preference is strongest when people choose software for everybody else, weaker in personal choice, and weakest when choosing for one’s own child. Based on the results we conclude that, in contrast to a private choice, a public choice is considerably more likely to pressure consumers in their personal choice to accept a non-selfish solution, making it a reasonable and relatively cheap way to shift car owners and users towards higher altruism. Also, a hypothetical voting in Parliament about a single available program is less selfish when the voting does not take place in secret.
Adults with no siblings reported significantly lower levels of conscientiousness & honesty-humility & higher levels of neuroticism and openness than adults with siblings, but mean differences failed to reach the small effect size
Only Children in the 21st Century: Personality Differences between Adults With and Without Siblings are Very, Very Small. Samantha Stronge et al. Journal of Research in Personality, September 10 2019, 103868. https://doi.org/10.1016/j.jrp.2019.103868
Highlights
• Tested differences in HEXACO personality for adults with and without siblings.
• Gender and age interactions were non-significant for all traits.
• ‘Only children’ reported lower conscientiousness and honesty-humility.
• ‘Only children’ reported higher neuroticism and openness to experience.
• However, all mean differences failed to reach the threshold of a small effect size.
Abstract: Negative beliefs about only children suggest that they are spoiled and unlikable, with these early personality differences persisting across the lifespan. Early research found little support for the idea, yet, negative views towards only children remain prevalent. The current research re-visited the issue using a large national panel study of New Zealand adults (N = 20,592) to assess mean differences in personality between those with and without siblings. Adults with no siblings reported significantly lower levels of conscientiousness and honesty-humility and higher levels of neuroticism and openness than adults with siblings; however, mean differences failed to reach the threshold of even a small effect size (|d’s| = .08 - .11). Beliefs about only children appear to contradict actual group differences.
Highlights
• Tested differences in HEXACO personality for adults with and without siblings.
• Gender and age interactions were non-significant for all traits.
• ‘Only children’ reported lower conscientiousness and honesty-humility.
• ‘Only children’ reported higher neuroticism and openness to experience.
• However, all mean differences failed to reach the threshold of a small effect size.
Abstract: Negative beliefs about only children suggest that they are spoiled and unlikable, with these early personality differences persisting across the lifespan. Early research found little support for the idea, yet, negative views towards only children remain prevalent. The current research re-visited the issue using a large national panel study of New Zealand adults (N = 20,592) to assess mean differences in personality between those with and without siblings. Adults with no siblings reported significantly lower levels of conscientiousness and honesty-humility and higher levels of neuroticism and openness than adults with siblings; however, mean differences failed to reach the threshold of even a small effect size (|d’s| = .08 - .11). Beliefs about only children appear to contradict actual group differences.
Their orgasms were less pleasurable compared to other experiences, and suggested that their orgasm experiences had negative impacts on their relationships, sexuality, and/or psychological health
When Orgasms Do Not Equal Pleasure: Accounts of “Bad” Orgasm Experiences During Consensual Sexual Encounters. Sara B. Chadwick, Miriam Francisco, Sari M. van Anders. Archives of Sexual Behavior, September 11 2019. https://link.springer.com/article/10.1007/s10508-019-01527-7
Abstract: Orgasms during consensual sex are often assumed to be wholly positive experiences. This assumption overshadows the possibility that orgasm experiences during consensual sex could be “bad” (i.e., negative and/or non-positive). In the present study, we employed an online survey to explore the possibility that orgasm experiences could be “bad” during consensual sex by asking participants of diverse gender and sexual identities (N = 726, M age = 28.42 years, SD = 7.85) about a subset of potential bad orgasm experiences. Specifically, we asked participants whether they have ever had an orgasm during coerced sex, compliant sex, and/or when they felt pressured to have an orgasm (i.e., orgasm pressure). We also asked participants who had such an experience to describe it, resulting in qualitative descriptions from 289 participants. Using mixed quantitative and qualitative analyses, we found compelling evidence that orgasm experiences can be “bad” during consensual sex. Specifically, many participants described their experiences in negative and/or non-positive ways despite orgasm occurrence, reported that their orgasms were less pleasurable compared to other experiences, and suggested that their orgasm experiences had negative impacts on their relationships, sexuality, and/or psychological health. Participants also suggested that social location shaped their bad orgasm experiences, citing gender and sexual identity, gender identity conflict, race/ethnicity, and religion as important to their perceptions of and responses to their experiences. Results directly challenge the assumption that orgasms during consensual sex are always and/or unilaterally positive experiences.
Keywords: Orgasm Gender Sexual pressure Coercion Compliance Feminist science
Abstract: Orgasms during consensual sex are often assumed to be wholly positive experiences. This assumption overshadows the possibility that orgasm experiences during consensual sex could be “bad” (i.e., negative and/or non-positive). In the present study, we employed an online survey to explore the possibility that orgasm experiences could be “bad” during consensual sex by asking participants of diverse gender and sexual identities (N = 726, M age = 28.42 years, SD = 7.85) about a subset of potential bad orgasm experiences. Specifically, we asked participants whether they have ever had an orgasm during coerced sex, compliant sex, and/or when they felt pressured to have an orgasm (i.e., orgasm pressure). We also asked participants who had such an experience to describe it, resulting in qualitative descriptions from 289 participants. Using mixed quantitative and qualitative analyses, we found compelling evidence that orgasm experiences can be “bad” during consensual sex. Specifically, many participants described their experiences in negative and/or non-positive ways despite orgasm occurrence, reported that their orgasms were less pleasurable compared to other experiences, and suggested that their orgasm experiences had negative impacts on their relationships, sexuality, and/or psychological health. Participants also suggested that social location shaped their bad orgasm experiences, citing gender and sexual identity, gender identity conflict, race/ethnicity, and religion as important to their perceptions of and responses to their experiences. Results directly challenge the assumption that orgasms during consensual sex are always and/or unilaterally positive experiences.
Keywords: Orgasm Gender Sexual pressure Coercion Compliance Feminist science
Influence of experience on the performance of police criminal risk assessment of juveniles: Significantly higher accuracy of risk assessment, but accuracy did not increase with experience
Influence of experience on the performance of police criminal risk assessment of juvenile offenders. Barbara Bergmann. Forensische Psychiatrie, Psychologie, Kriminologie, Jul 2 2019. https://doi.org/10.1007/s11757-019-00552-5
Abstract: Police officers working in the field of juvenile crime have to assess the criminal risk of young offenders before admitting them into a special police program for chronic offenders. Their performance of this task, which is mostly based on mere experience, has so far been unclear. The following study examined the process of criminal risk assessment in the police context and tested if performance increases with growing experience. The test sample consisted of 85 police officers and 60 undergraduate psychology students as laypersons. The task was to examine fictitious case vignettes of young criminals and rate their risk of further offences. Performance was measured by accuracy of the given rating and the time needed to evaluate each vignette. Results showed a significantly higher accuracy of risk assessment made by police officers when compared to laypersons; however, within the group of police officers the accuracy did not increase with experience. Nevertheless, particularly experienced police officers seemed to use a more efficient strategy as they considered less information for their assessment and thus needed less time to come to a conclusion. These findings indicate an advanced information processing due to experience resulting in a reduction of the cognitive workload and time needed for the assessment.
Keywords: Risk assessment Police Expertise Youth crime Information processing
Abstract: Police officers working in the field of juvenile crime have to assess the criminal risk of young offenders before admitting them into a special police program for chronic offenders. Their performance of this task, which is mostly based on mere experience, has so far been unclear. The following study examined the process of criminal risk assessment in the police context and tested if performance increases with growing experience. The test sample consisted of 85 police officers and 60 undergraduate psychology students as laypersons. The task was to examine fictitious case vignettes of young criminals and rate their risk of further offences. Performance was measured by accuracy of the given rating and the time needed to evaluate each vignette. Results showed a significantly higher accuracy of risk assessment made by police officers when compared to laypersons; however, within the group of police officers the accuracy did not increase with experience. Nevertheless, particularly experienced police officers seemed to use a more efficient strategy as they considered less information for their assessment and thus needed less time to come to a conclusion. These findings indicate an advanced information processing due to experience resulting in a reduction of the cognitive workload and time needed for the assessment.
Keywords: Risk assessment Police Expertise Youth crime Information processing