The Frustrating Effects of Just Missing the Jackpot: Slot Machine Near-Misses Trigger Large Skin Conductance Responses, But No Post-reinforcement Pauses

Near-misses in slot machines resemble jackpot wins but fall just short. Previous research has demonstrated that near-misses are behaviorally reinforcing despite the absence of monetary reward. We assessed the hedonic properties of near-misses by measuring the time between outcome delivery and the initiation of the next spin—the post-reinforcement pause (PRP) and skin conductance responses (SCRs) for losses, near-misses, and a range of wins (5, 15, 25, 50 or 250 credits) while participants (N = 122) played a slot machine simulator. PRPs and SCRs were compared for 40 low frequency and 22 high frequency slots players who were non-problem gamblers, 37 at risk players, and 23 problem gamblers. For winning outcomes, PRPs and SCRs tracked monotonically with win size such that progressively larger wins were associated with progressively larger PRPs and SCRs. Near-misses with jackpot symbols landing on the first two reels had significantly larger SCRs than regular losses, and other types of near misses. Crucially, PRPs for this kind of near-miss were significantly smaller than all wins, and when non-parametric statistics were used, significantly smaller than regular losses. This pattern of large SCRs and small PRPs suggest that these are highly frustrating outcomes that stimulate appetitive components of the reward system to promote continued gambling.     

Peep show establishments,police activity,public place,and time: A response to McCleary and meeker

I investigated the sexual experience of social nudists (including sexual guilt and sexual inhibitions) compared with that of a matched, non‐nudist sample. Much popular belief connects nudism with sexually permissive behaviors, but researchers have shown that social nudists have strict sexual conduct rules and that social nudists mentally separate nudity and sex, seeing nude bodies as “natural” and “pure” rather than sexually arousing. Therefore, I hypothesized that, when compared to non‐nudists, (a) fewer social nudists had experienced less socially acceptable sexual outlets, (b) more social nudists felt guilt about their sexual behaviors, and (c) more social nudists wished they had engaged in a sexual behavior they had not experienced. One hundred social nudists and 100 non‐nudists, matched according to sex, age, educational level, marital status, and area of the country, answered 25 questions on sexual experience, sexual guilt, and desire to experience sexual behaviors they had not, as well as on honesty of their responses. All three hypotheses were supported. These results illustrate that the sexual implications of nudity vary among people and that there is no direct relationship between nudity and sexually permissive behaviors.     

Traditional birth attendant training and local birthing practices in India

Training birth attendants (TBAs) provide essential maternal and infant health care services during delivery and ongoing community care in developing countries. Despite inadequate evidence of relevance and effectiveness of TBA training programmes, there has been a policy shift since the 1990s in that many donor agencies funding TBA training programmes redirected funds to providing skilled attendants during delivery. This study aimed to assess the ways in which a TBA training programme in India has been successful in disseminating evidence-based knowledge on birthing practices. TBAs practicing within 16 villages targeted by training programme initiatives were administered with structured questionnaires. The post training birthing practices of trained (24) and untrained (14) TBAs was compared and birthing practices adopted by women assisted by trained (16) and untrained (9) TBAs was analysed. Positive post training practices were hand washing, use of a clean blade for cutting the cord, immediate breastfeeding and weighing of babies. Nevertheless, the training could be further improved with up to date and evidence-based information and more comprehensive instructions. The findings suggest an integration of local and evidence-based knowledge is needed to improve the training. Raising community awareness of public health measures related to maternal and child health is also recommended.     

The Liberalization of Cannabis Possession Laws and Birth Outcomes: A State-Level Fixed Effects Analysis, 2003–2019

Population Research and Policy Review - As states liberalize their cannabis laws, cannabis use has become more widespread among adults across the United States, including pregnant women. As a...     

Anglo Voting on Nativist Ballot Initiatives: The Partisan Impact of Spatial Proximity to the U.S.‐Mexico Border*

Objective. In this study, we examine how contextual factors influence voting behavior on nativist ballot initiatives using California's Propositions 187 and 227. We argue that spatial proximity to the border is associated with voting behavior on nativist initiatives. Methods. To examine the influence of environmental factors on Anglo voting behavior on nativist ballot initiatives, we utilize California Field Polls, U.S. Census data, and spatially referenced data generated using GIS software. Results. The results indicate that spatial proximity to the border is an important component in individual‐level voting on nativist initiatives and that the impact of proximity to the border on the vote for Propositions 187 and 227 varies as a function of individual‐level partisan affiliation. Conclusions. These findings hold implications for future research regarding the influence of geospatial boundaries and political behavior.     

The Impact of Social Ties on Depressive Symptoms in U.S. and Japanese Elderly

This study examines the effects of social ties (with spouse, children, friends, neighbors, other relatives, and community groups) on depressive symptom levels in U.S. and Japanese adults aged 60 and over. Nationally representative survey data from the United States ( N = 1,419) and Japan ( N = 2,200) indicate that having a spouse, or increased contacts with friends, neighbors and relatives was associated with fewer depressive symptoms in both samples. The effects of spousal presence were significantly larger in the United States than in Japan. The presence of children was associated with fewer depressive symptoms in Japan only, and this effect was significantly stronger among those currently unmarried as opposed to those who are currently married. We discuss these similarities and differences between countries.     

Circular functional relationships

This paper develops techniques for fitting a circular functional relationship. The model is formulated assuming the centre of the circle is known and taken to be the origin. This incurs some loss of generality, but considerably simplifies the analysis. Methods of estimating the parameters of the relationship, assuming that the co-ordinates have uncorrelated errors with equal variance, are developed and compared by way of simulations. Consistent estimators are obtained from unbiased estimating equations and by maximising the marginal likelihood. Approximate estimators are obtained by approximating the estimating equations and by maximising a modified profile likelihood function. The ideas and methodology are then applied to the relationship with the more realistic assumption of an unknown centre, with an example highlighting the differences between estimation techniques.