Saturday, September 14, 2019

People Rely Less on Consumer Reviews for Experiential Than Material Purchases

People Rely Less on Consumer Reviews for Experiential Than Material Purchases. Hengchen Dai, Cindy Chan, Cassie Mogilner. Journal of Consumer Research, ucz042, September 10 2019. https://doi.org/10.1093/jcr/ucz042

Abstract: An increasingly prevalent form of social influence occurs online where consumers read reviews written by other consumers. Do people rely on consumer reviews differently when making experiential purchases (events to live through) than when making material purchases (objects to keep)? Though people often use consumer reviews both when making experiential and material purchases, an analysis of more than 6 million reviews on Amazon.com and four laboratory experiments reveal that people are less likely to rely on consumer reviews for experiential purchases than for material purchases. This effect is driven by beliefs that reviews are less reflective of the purchase’s objective quality for experiences than for material goods. These findings not only inform how different types of purchases are influenced by word-of-mouth, but they illuminate the psychological processes underlying shoppers’ reliance on consumer reviews. Furthermore, as one of the first investigations into how people choose among various experiential and material purchase options, these findings suggest that people are less receptive to being told what to do than what to have.

Keywords: experiential purchases, material purchases, consumer reviews, objective quality

When in middle childhood, no differences emerged as a function of parental sexual orientation in observations or self-reports of coparenting; & parents & teachers described children as well-adjusted overall

Farr, R. H., Bruun, S. T., & Patterson, C. J. (2019). Longitudinal associations between coparenting and child adjustment among lesbian, gay, and heterosexual adoptive parent families. Developmental Psychology, http://dx.doi.org/10.1037/dev0000828

Abstract: This longitudinal study examined coparenting and child adjustment during early and middle childhood (Ms = 3 and 8 years, respectively) among 106 lesbian, gay, and heterosexual parent adoptive families. When children were in middle childhood, no differences emerged as a function of parental sexual orientation in observations or self-reports of coparenting; in addition, parents and teachers described children as well-adjusted overall. After controlling covariates, including couple relationship adjustment, more supportive coparenting in early childhood predicted fewer parent-reported child internalizing and externalizing problems in middle childhood. Within middle childhood, stronger parenting alliance was associated with fewer parent-reported child externalizing problems. These findings indicate the value of considering family processes among diverse families in contributing to child outcomes over time.

Most school shooters were not previously treated with psychotropic medications – and even when they were, no direct or causal association was found

The myth of school shooters and psychotropic medications. Ryan Chaloner Winton Hall  Susan Hatters Friedman  Renee Sorrentino  Maria Lapchenko  Adeyemi Marcus  Robert Ellis. Behavioral Sciences & the Law, September 12 2019. https://doi.org/10.1002/bsl.2429

Abstract: There has been an assertion in certain parts of the media, especially social media, that the majority of individuals who have engaged in a school shooting were prescribed psychotropic medications prior to the event. To determine if there is any validity to this assertion, the authors of this article reviewed publicly available information regarding individuals involved in “educational shootings” per FBI publications for active shooters from 2000 to 2017. Sources of information included news reports with official citations, official reports regarding events, available court records, and FBI Freedom of Information Act requests. Secondary data‐points were also collected, such as location, number of weapons used, number of victims, legal outcome, and whether the shooter committed suicide. From the information obtained, it appears that most school shooters were not previously treated with psychotropic medications – and even when they were, no direct or causal association was found.

Evidence of the intergenerational transmission of child maltreatment (“maltreatment begets maltreatment,”: Effect sizes seems real but modest

Testing the cycle of maltreatment hypothesis: Meta-analytic evidence of the intergenerational transmission of child maltreatment. Sheri Madigan et al. Development and Psychopathology, Volume 31, Special Issue 1 (The effect of maltreatment experiences on maltreating and dysfunctional parenting: A search for mechanisms), February 2019 , pp. 23-51. https://doi.org/10.1017/S0954579418001700

Abstract: It has long been claimed that “maltreatment begets maltreatment,” that is, a parent's history of maltreatment increases the risk that his or her child will also suffer maltreatment. However, significant methodological concerns have been raised regarding evidence supporting this assertion, with some arguing that the association weakens in samples with higher methodological rigor. In the current study, the intergenerational transmission of maltreatment hypothesis is examined in 142 studies (149 samples; 227,918 dyads) that underwent a methodological quality review, as well as data extraction on a number of potential moderator variables. Results reveal a modest association of intergenerational maltreatment (k = 80; d = 0.45, 95% confidence interval; CI [0.37, 0.54]). Support for the intergenerational transmission of specific maltreatment types was also observed (neglect: k = 13, d = 0.24, 95% CI [0.11, 0.37]; physical abuse: k = 61, d = 0.41, 95% CI [0.33, 0.49]; emotional abuse: k = 18, d = 0.57, 95% CI [0.43, 0.71]; sexual abuse: k = 18, d = 0.39, 95% CI [0.24, 0.55]). Methodological quality only emerged as a significant moderator of the intergenerational transmission of physical abuse, with a weakening of effect sizes as methodological rigor increased. Evidence from this meta-analysis confirms the cycle of maltreatment hypothesis, although effect sizes were modest. Future research should focus on deepening understanding of mechanisms of transmission, as well as identifying protective factors that can effectively break the cycle of maltreatment.

Friday, September 13, 2019

Ridesharing: Socially superior outcomes may involve monopoly or competition under various multihoming regimes, depending on the density of the city

Bryan, Kevin and Gans, Joshua S., A Theory of Multihoming in Rideshare Competition (July 27, 2018). SSRN: http://dx.doi.org/10.2139/ssrn.3208616

Abstract: We examine competition amongst ridesharing platforms, where firms compete on both price and the wait time induced with idled drivers. We show that when consumers are the only agents who multihome, idleness is lower in duopoly than when consumers face a monopoly ridesharing platform. When drivers and consumers multihome, idleness further falls to zero as it involves costs for each platform that are appropriated, in part, by their rival. Interestingly, socially superior outcomes may involve monopoly or competition under various multihoming regimes, depending on the density of the city, and the relative costs of idleness versus consumer disutility of waiting.

Keywords: platform, ridesharing, idleness
JEL Classification: L13, L51

The cooperative sex: Sexual interactions among female bonobos are linked to increases in oxytocin, proximity and coalitions

The cooperative sex: Sexual interactions among female bonobos are linked to increases in oxytocin, proximity and coalitions. Liza R. Moscovice, Martin Surbeck, Barbara Fruth, Gottfried Hohmann, Adrian Jaeggi, Tobias Deschner. Hormones and Behavior, September 10 2019, https://doi.org/10.1016/j.yhbeh.2019.104581

Highlights
•    Female bonobos have more frequent sex with female than male partners in feeding contexts.
•    Female dyads are more likely than inter-sexual dyads to remain close after sex.
•    Female urinary oxytocin levels increase following sex with females, but not with males.
•    Dyads that have more sex engage in more joint coalitionary aggression.
•    Sex among female bonobos may facilitate cooperation via oxytocinergic effects.

Abstract: In some species habitual same-sex sexual behavior co-occurs with high levels of intra-sexual alliance formation, suggesting that these behaviors may be linked. We tested for such a link by comparing behavioral and physiological outcomes of sex with unrelated same- and opposite-sex partners in female bonobos (Pan paniscus). We analyzed behavioral outcomes following 971 sexual events involving n = 19 female and n = 8 male adult and sub-adult members of a wild, habituated bonobo community. We additionally collected n = 143 urine samples before and after sexual interactions to non-invasively measure oxytocin (OT), which modulates female sexual behavior and facilitates cooperation in other species. The majority of sexual events (65%) consisted of female same-sex genito-genital rubbing (or GG-rubbing). Female dyads engaged in significantly more sexual interactions than did inter-sexual dyads, and females were more likely to remain within close proximity to their partners following GG-rubbing. Females also exhibited greater increases in urinary OT following GG-rubbing compared with copulations, indicating a physiological basis for increased motivation to cooperate among females. The frequency of coalitionary support among non-kin was positively predicted by the frequency of sexual interactions for female as well opposite-sex dyads, although coalitionary support tended to be more frequent among females. The emergence of habitual same-sex sexual behavior may have been an important step in the evolution of cooperation outside of kinship and pair-bonds in one of our closest phylogenetic relatives

Those who are interested in politics, who feel that they have a moral duty to vote in elections, and who feel close to a party are more prone to be satisfied with their decision to vote and to be dissatisfied if they chose to abstain

From 2017... Was my decision to vote (or abstain) the right one? André Blais, Fernando Feitosa, Semra Sevi. Party Politics, July 20, 2017. https://doi.org/10.1177/1354068817722058

Abstract: This article examines people’s assessments, ex post, of whether their decision to vote or to abstain in a given election was the right one. We use 22 surveys conducted in 5 different countries (Canada, France, Germany, Spain and Switzerland) in national, supra-national and sub-national elections between 2011 and 2015. We find that the great majority of those who voted were satisfied with their decision to vote while non-voters were more doubtful about the wisdom of their decision to abstain. We also find that those who are interested in politics, who feel that they have a moral duty to vote in elections, and who feel close to a party are more prone to be satisfied with their decision to vote and to be dissatisfied if they chose to abstain.

Keywords: abstain, elections, right decision, turnout, vote

Search Advertising and Information Discovery: Are Consumers Averse to Sponsored Messages? Seems not so much.

Sahni, Navdeep S. and Zhang, Charles, Search Advertising and Information Discovery: Are Consumers Averse to Sponsored Messages? (August 23, 2019). SSRN: http://dx.doi.org/10.2139/ssrn.3441786

Abstract
We analyze a large-scale field experiment conducted on a US search engine in which 3.3 million users were randomized into seeing more, or less advertising. Our data rejects that users are, overall, averse to search advertising targeted to them. At the margin, users prefer the search engine with higher level of advertising. The usage of the search engine (in terms of number of searches, and number of search sessions) is higher among users who see higher levels of advertising, relative to the control group. This difference in usage persists even after the experimental treatment ends. The increase in usage is higher for users on the margin who, in the past, typed a competing search engine's name in the search query and navigated away from our focal search engine. On the supply side, higher level of advertising increases traffic to newer websites. Consumer response to search advertising is also more positive when more businesses located in the consumer's state create new websites. Quantitatively, the experimental treatment of a higher level of advertising increases ad clicks which leads to between 4.3% to 14.6% increase in search engine revenue.

Overall, patterns in our data are consistent with an equilibrium in which advertising conveys relevant “local” information, which is unknown to the search engine, and therefore missed by the organic listings algorithm. Hence, search advertising makes consumers better off on average. On the margin, the search engine does not face a trade-off between advertising revenue and search engine usage.

Keywords: search advertising, search engine, marketing, economics
JEL Classification: M37, D83, L10

We exhibit a bias to accept incoming information, because most claims in our environments are true; and we interpret feelings, like ease of processing, as evidence of truth, regardless of intelligence level or cognitive style

Judging Truth. Nadia M. Brashier and Elizabeth J. Marsh. Annual Review of Psychology, Vol. 71:- (Volume publication date Jan 2020), September 12, 2019. https://doi.org/10.1146/annurev-psych-010419-050807

Abstract: Deceptive claims surround us, embedded in fake news, advertisements, political propaganda, and rumors. How do people know what to believe? Truth judgments reflect inferences drawn from three types of information: base rates, feelings, and consistency with information retrieved from memory. First, people exhibit a bias to accept incoming information, because most claims in our environments are true. Second, people interpret feelings, like ease of processing, as evidence of truth. And third, people can (but do not always) consider whether assertions match facts and source information stored in memory. This three-part framework predicts specific illusions (e.g., truthiness, illusory truth), offers ways to correct stubborn misconceptions, and suggests the importance of converging cues in a post-truth world in which falsehoods travel further and faster than the truth.

The experiments and paradigms that purportedly demonstrate spontaneous perspective-taking have not as yet convincingly demonstrated the existence of such a phenomenon

The closing of the theory of mind: A critique of perspective-taking. Geoff G. Cole, Abbie C. Millett. Psychonomic Bulletin & Review, September 12 2019. https://link.springer.com/article/10.3758/s13423-019-01657-y

Abstract: Theory of mind (ToM) is defined as the ability to attribute mental states to oneself and others and is often said to be one of the cornerstones of efficient social interaction. In recent years, a number of authors have suggested that one particular ToM process occurs spontaneously in that it is rapid and outside of conscious control. This work has argued that humans efficiently compute the visual perspective of other individuals. In this article, we present a critique of this notion both on empirical and theoretical grounds. We argue that the experiments and paradigms that purportedly demonstrate spontaneous perspective-taking have not as yet convincingly demonstrated the existence of such a phenomenon. We also suggest that it is not possible to represent the percept of another person, spontaneous or otherwise. Indeed, the perspective-taking field has suggested that humans can represent the visual experience of others. That is, going beyond assuming that we can represent another’s viewpoint in anything other than symbolic form. In this sense, the field suffers from the same problem that afflicted the “pictorial” theory in the mental imagery debate. In the last section we present a number of experiments designed to provide a more thorough assessment of whether humans can indeed represent the visual experience of others.

Patients locked in state suffering from amyotrophic lateral sclerosis: Cognitively intact, are completely paralyzed, eyes mostly closed, artificial ventilation & artificial nutrition, but we found a surprisingly healthy sleep pattern

Sleep in the Completely Locked-in State (CLIS) in Amyotrophic Lateral Sclerosis. Azim Malekshahi, Ujwal Chaudhary, Andres Jaramillo-Gonzalez, Alberto Lucas Luna, Aygul Rana, Alessandro Tonin, Niels Birbaumer, Steffen Gais. Sleep, zsz185, August 2 2019, https://doi.org/10.1093/sleep/zsz185

Abstract: Persons in the completely locked in state (CLIS) suffering from amyotrophic lateral sclerosis (ALS) are deprived of many zeitgebers of the circadian rhythm: While cognitively intact, they are completely paralyzed, eyes mostly closed, with artificial ventilation and artificial nutrition, and social communication extremely restricted or absent. Polysomnographic recordings in 8 patients in CLIS however revealed the presence of regular episodes of deep sleep during night time in all patients. It was also possible to distinguish an alpha-like state and a wake-like state. Classification of REM sleep is difficult because of absent eye movements and absent muscular activity. 4 out of 8 patients did not show any sleep spindles. Those who have spindles also show K-complexes and thus regular phases of sleep stage 2. Thus, despite some irregularities we found a surprisingly healthy sleep pattern in these patients.

Keywords: movement disorders, neurological disorders, sleep/wake physiology, circadian rhythms, completely locked in state, polysomnography

Thursday, September 12, 2019

Online media can induce opinion polarization even among users exposed to ideologically heterogeneous views, by heightening the emotional intensity of the content

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.

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

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

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.