Single-sex Schooling and Academic Attainment at School and through the Lifecourse

This paper examines the impact of single-sex schooling on a range of academic outcomes for a sample of British people born in 1958. In terms of the overall level of qualifications achieved, we find that single-sex schooling is positive for girls at age 16, but neutral for boys, while at later ages, single-sex schooling is neutral for both sexes. However, we find that single-sex schooling is linked to the attainment of qualifications in gender-atypical subject areas for both sexes, not just during the school years, but also later in life

Hybrid Charmonium and the ρ−π\rho-\pi Puzzle

Using the method of QCD Sum Rules, we estimate the energy of the lowest hybrid Charmonium state, and find it to be at the energy of the $\Psi'(2S)$ state, about 600 Mev above the $J/\Psi(1S)$ state. Since our solution is not consistent with a pure hybrid at this energy, we conclude that the $\Psi'(2S)$ state is probably an admixed $c \bar{c}$ and hybrid $c \bar{c}g$ state. From this conjecture we find a possible explanation of the famous $\rho-\pi$ puzzle.Comment: 9 pages, 7 figure

Watching Online Videos At Work: The Role of Positive and Meaningful Affect for Recovery Experiences and Well-Being at the Workplace

This study extends research on the relationship between hedonic and eudaimonic entertainment and its potential for recovery experiences and aspects of well-being (e.g., Rieger, Reinecke, Frischlich, & Bente, 2014). With the broad notion of what hedonic and eudaimonic media can entail, this research focused on unique affective experiences—namely, positive affect—and an expanded concept of meaningful affect (including elevation and gratitude). An online experiment with 148 full-time employees in the United States was conducted to investigate the unique role of positive and meaningful affect eliciting YouTube videos (compared to neutral control video) on recovery experiences and vitality and work satisfaction in the work context. A path model suggests that meaningful videos predicted mastery recovery experiences, whereas positive affect predicted psychological detachment and relaxation experiences. In addition, mastery recovery experiences predicted vitality, whereas relaxation experiences predicted satisfaction with work, indicating a unique potential of the consumption of meaningful and positive affect inducing YouTube videos at work for workplace well-being

Harder, Better, Faster, Stronger? The Relationship between Cognitive Task Demands in Video Games and Recovery Experiences

Research has repeatedly demonstrated that the use of interactive media is associated with recovery experiences, suggesting that engaging with media can help people to alleviate stress and restore mental and physical resources. Video games, in particular, have been shown to fulfil various aspects of recovery, not least due to their ability to elicit feelings of mastery and control. However, little is known about the role of cognitive task demand (i.e., the amount of cognitive effort a task requires) in that process. Toward this end, our study aimed to investigate how cognitive task demand during gameplay affects users’ recovery experiences. Results of a laboratory experiment suggest that different dimensions of the recovery experiences seem to respond to different levels of cognitive task demand. While control experiences were highest under low cognitive task demand, there was no difference between groups regarding experiences of mastery and psychological detachment. Nevertheless, both gaming conditions outperformed the control condition regarding experiences of mastery and psychological detachment. Controlling for personal gaming experiences, relaxation was higher in the low cognitive task demand condition compared to the control condition. Findings are discussed in terms of their implications for research on the multilayered recovery effects of interactive media

Noninfectious retrovirus particles drive the APOBEC3/Rfv3 dependent neutralizing antibody response.

Members of the APOBEC3 family of deoxycytidine deaminases counteract a broad range of retroviruses in vitro through an indirect mechanism that requires virion incorporation and inhibition of reverse transcription and/or hypermutation of minus strand transcripts in the next target cell. The selective advantage to the host of this indirect restriction mechanism remains unclear, but valuable insights may be gained by studying APOBEC3 function in vivo. Apobec3 was previously shown to encode Rfv3, a classical resistance gene that controls the recovery of mice from pathogenic Friend retrovirus (FV) infection by promoting a more potent neutralizing antibody (NAb) response. The underlying mechanism does not involve a direct effect of Apobec3 on B cell function. Here we show that while Apobec3 decreased titers of infectious virus during acute FV infection, plasma viral RNA loads were maintained, indicating substantial release of noninfectious particles in vivo. The lack of plasma virion infectivity was associated with a significant post-entry block during early reverse transcription rather than G-to-A hypermutation. The Apobec3-dependent NAb response correlated with IgG binding titers against native, but not detergent-lysed virions. These findings indicate that innate Apobec3 restriction promotes NAb responses by maintaining high concentrations of virions with native B cell epitopes, but in the context of low virion infectivity. Finally, Apobec3 restriction was found to be saturable in vivo, since increasing FV inoculum doses resulted in decreased Apobec3 inhibition. By analogy, maximizing the release of noninfectious particles by modulating APOBEC3 expression may improve humoral immunity against pathogenic human retroviral infections

Do weaner pigs need in-feed antibiotics to ensure good health and welfare?

peer-reviewedThis study was part of the WELPIG project which was funded from internal Teagasc funds. During the writing of this paper JACD’s position was funded by the Department of Agriculture Food and the Marine under the Research Stimulus Fund (PathSurvPigs 14/S/832) as part of the National Development PlanAntibiotics (AB) are used in intensive pig production systems to control infectious diseases and they are suspected to be a major source of antibiotic resistance. Following the ban on AB use as growth promoters in the EU, their prophylactic use in-feed is now under review. The aim of this study was to evaluate the effect of removing prophylactic in-feed AB on pig health and welfare indicators. Every Monday for six weeks, a subset of 70 pigs were weaned, tagged and sorted into two groups of 35 pigs according to weight (9.2 ± 0.6 kg). AB were removed from the diet of one group (NO, n=6) and maintained in the other group (AB, n=6) for nine weeks. Ten focal pigs were chosen per group. After c. five weeks each group was split into two pens of c.17 pigs for the following 4 weeks. Data were recorded weekly. Skin, tail, ear, flank and limb lesions of focal pigs were scored according to severity. The number of animals per group affected by health deviations was also recorded. The number of fights and harmful behaviours (ear, tail bites) per group was counted during 3×5min observations once per week. Data were analysed using mixed model equations and binomial logistic regression. At group level, AB pigs were more likely to have tail (OR=1.70; P=0.05) but less likely to have ear lesions than NO pigs (OR=0.46; P<0.05). The number of ear bites (21.4±2.15 vs. 17.3±1.61; P<0.05) and fights (6.91±0.91 vs. 5.58±0.72; P=0.09) was higher in AB than in NO pigs. There was no effect of treatment on health deviations and the frequency of these was low. Removing AB from the feed of weaner pigs had minimal effects on health and welfare indicators

VLORA`S WOMEN AND CERVICAL CANCER HEALTH BELIEFS

Cancer in general in Albania is an increasing problem and cervical cancer is the third most common gynecologic cancer among all women. Refer to European Code Against cancer an important action for women to help to prevent cervical cancer is to take part in organised cancer screening programmes. The study aims to identify in women health beliefs about cervical cancer. This is a transversal and analytical study with a sample of 210 healthy women from Vlora city with different socio-economic and educational levels. A selfadministered questionnaire that assesses the health beliefs components about cervical cancer was the data collection instrument. The results highlighted low risk perception relative to cervical cancer. Most of women believe that cervical cancer as dangerous as all the other cancers and uncertainties about the chances to recover from it exist among them. Misunderstandings and high sensitivity relate to cervical screening. Relationship between perceived benefits, emotional, economic barriers and Pap test uptake was found. Large numbers of women never screened. The results indicated that to improve the women's attitudes to health, to encourage adherence to cervical screening and to avoid misconceptions due to lack of information conversations with health operators and the designing of effective prevention strategies based on health beliefs are fundamental

Ear, tail and skin lesions vary according to different production flows in a farrow-to-finish pig farm

peer-reviewedBackground Pig performance and risk of disease are associated with production flow. Given the link between health and welfare, it is likely that animal welfare indicators are also associated with production flow. This study investigated the association between production flow and tail, ear and skin lesions on a farm with a purported ‘all-in/all-out’ policy. This was an observational study whereby pigs were managed according to routine farm practice. A total of 1,016 pigs born within 1 week from the same batch were followed through the production stages and the presence or absence of welfare indicators was recorded at 4, 7, 9, 12, 16 and 24 weeks of age. Three production flows were retrospectively identified: flow 1 = ‘normal’ pigs that advanced through the production stages together ‘on time’, flow 2 = pigs delayed from advancing from the 1st to the 2nd nursery stage by 1 week and flow 3 = pigs delayed from advancing through the production stages by > 1 week. A nested case control design was applied by matching pigs by sow parity, number of born alive and birth weight. Results The presence of ear lesions was 4.5 less likely in pigs in flow 2 and 2.9 times less likely in pigs in flow 3 (P < 0.001) compared to pigs in flow 1. Pigs in flow 3 were 2.2 more likely to have tail and 1.6 times more likely to have ear lesions (P < 0.001) compared to pigs in flow 2. Pigs in flow 2 were less likely to have tail lesions compared with pigs in flow 1 (P < 0.05). Differences between production flows for the risk of skin lesions varied according to age (P < 0.05). Conclusion All production flows were associated with a high risk of lesions which raises concerns for pig welfare. However, risks for ear, tail and skin lesions varied according to each production flow likely due to the specific management practices inherent to each flow. Results from this study could be used to modify existing management practices, thus leading to improvements in animal welfare and possibly performance in intensive pig systems