The nature and determinants of spatial retreat in the pigeon between periodic grain presentations

Pigeons were exposed to fixed-time and fixed-interval schedules that ranged from 30 to 960 sec. The probability of a subject’s location in the rear of the chamber (away from the reinforcer dispenser) peaked during the postreinforcer period, and was referenced to proportional time between reinforcers. Increasing the interreinforcer interval generally increased time in the rear. In some sessions (Experiment 1), location in the rear produced an explicit stimulus change (altered the color and intensity of lights, i.e., time-out); this change increased time spent in the rear without affecting its temporal locus or its relation to the interreinforcer interval. During Experiment 2, a keypeck (near the reinforcer site) produced the explicit stimulus change used in Experiment 1. The characteristics of keypeck time-out resembled those of movement to the rear of the chamber (with and without an explicit stimulus change), suggesting that movement away from the reinforcer site is functionally homologous to keypeck time-out.     

Young people and school General Certificate of Secondary Education attainment: looking for the ‘missing middle’

In Britain, educational qualifications gained at school continue to play an important and central role in young people’s educational and employment pathways. Recently there has been growing interest in documenting the lives of ‘ordinary’ young people. In this paper we analyse the Youth Cohort Study of England and Wales in order to better document the experiences of those with ‘middle’ levels of school General Certificate of Secondary Education (GCSE) attainment. The overall pattern of school GCSE attainment is one of increasing levels of performance. GCSE attainment is still highly stratified. Girls performed better than boys, and there were some marked differences in attainment for pupils from the main minority ethnic groups. Most notably, parental socio-economic positions are the most important factor. The analyses fail to persuade us that there are clear boundaries that demark a ‘middle’ category of school GCSE attainment. We conclude that sociologists should study ‘ordinary’ young people; however, school GCSE attainment is best understood as a continuum, and measures such as the number of GCSEs or point scores are preferable.     

Relations among reading skills and sub-skills and text-level reading proficiency in developing readers

Despite the recent attention to text reading fluency, few studies have studied the construct of oral reading rate and accuracy in connected text in a model that simultaneously examines many of the important variables in a multi-leveled fashion with young readers. Using Structural Equation Modeling, this study examined the measurement and structural relations of the rate and accuracy of variables important in early reading: phonemic blending, letter sounds, phonograms, decoding, single-word reading, reading comprehension, and text reading as well as reading comprehension among second grade readers. The effects from phonemic blending fluency and letter sound fluency to decoding were completely mediated by phonogram fluency, decoding fluency, single-word reading fluency, and reading comprehension had direct effects on the text reading fluency of the second grade students. Understanding the relationship among the many component skills of readers early in their reading development is important because a deficiency in any of the component skills has the potential to affect the development of other skills and, ultimately, the development of the child as a proficient reader.     

The Single Sex Debate for Girls in Science: a Comparison Between Two Informal Science Programs on Middle School Students’ STEM Identity Formation

Currently, there are policy debates regarding the efficacy and legality of single sex formal and informal education programs. This issue is particularly poignant in science education due to the historical marginalization of women in these fields. This marginalization has resulted in women being positioned as a stigmatized group within many science, technology, engineering, and mathematics (STEM) related fields. Research points to adolescence as the age where this sense of marginalization begins to develop. As a result, policy responses have utilized various frameworks such as: increased access for women, changing pedagogy to address women’s learning styles, changing the language and culture of science to prevent marginalization of stigmatized groups, and finally exploring the role that individual identity plays in the marginalization of women. This study adds to the policy debate as it applies to single sex education by comparing middle school participants’ STEM identity formation during two informal science learning environments (an all girls’ STEM camp and a co-educational STEM camp). Additionally, this study focuses on the influence of camp activities within two informal science education programs: particularly the provision of role models and authentic STEM research activities, as means to improve STEM identity and make these fields relevant to the lives of middle school students. The results indicate that both camps improved girls’ STEM identities. These findings suggest that the single sex environment is not as important to STEM identity as the pedagogy used within the program.     

Exploring Survivor Experiences and Emotions Expressed about Loss and Responsibility Following a Thrombosis Event

We explored the experiences and emotions women expressed about having a blood clot, including revelations about family members' decision to avoid disclosing inherited risk for clotting. We do this through analysis of in-depth life reflection interviews (N = 20) of women who experienced a first venous blood clot between the ages of 18 and 50 years. Selective coding reduced the data to an overarching story associated with thrombosis survivorship and loss across multiple life domains. The themes identified include participant revelations about living in the shadow of genetic susceptibility for thrombosis. Participants manage changes associated with lingering health effects, and daily routines for work and life, adapting their lives to manage coagulability. A second theme reveals the fallout linked to the severity of thrombosis encompassed in haunting psychological scenarios, persistent emotional concerns, and social discrimination. Participants assumed responsibility to disclose inherited risk, with the women expressing empowerment in knowing risks and acknowledging possible genetic testing mistakes. The overarching perspective was one of hope through proactive actions in occupational, recreational, and relational realms. We offer our findings as a theoretical depiction of thrombosis survivor identity and the need for public health and clinical communication to support disclosing family history for clotting.     

Pediatric nurses’ communication of role expectations to parents of hospitalized children

This study examines the role performance of pediatric nurses and parents in relation to hospitalized children. The ambiguity associated with role behaviors for both groups is considered in terms of rules that might be formally adopted to define nurses’ and parents’ roles. Pediatric nurses were interviewed to identify behaviors appropriately performed by parents for their hospitalized children, and formal rules were drafted. These rules were communicated by nurses in writing, orally, or both and were compared to no formal communication for impact on nurses’ job satisfaction, parents’ satisfaction with nursing care, and both nurses’ and parents’ role ambiguity. The formal rules were found to enhance both nurses’ job satisfaction and parents’ satisfaction with the technical‐professional competence component of nursing care. Moreover, both nurses and parents perceived a reduction in role ambiguity as measured by the information that nurses give and the communication of expectations.     

E-parliament: Opening the door

Parliaments around the world are becoming aware that they, and the individual members of the parliament, can use digital technologies to support greater engagement with citizens and their communities. This article reports on communication patterns of the Parliament of Australia and the community, the potential of Web 2.0 to increase engagement and accountability and research with the Australian community and members of the parliament on information needs for a new website implementing interactivity.     

Making Silicon Valley : Culture,Representation, and Technology at the Tech Museum

There has been much discussion of Silicon Valley, the area south of San Francisco that is home to many high-technology firms. This article explores the cultural discourse of Silicon Valley, paying particular attention to the newly-opened Tech Museum of Innovation in San Jose and the strategies of commemoration, identity construction, and exhibition it uses to mirror, focus, and construct a Silicon Valley culture. The Tech Museum successfully captures the dominant ideological elements of Silicon Valley, combining celebration of technology with a fascination with what the museum s literature refers to as the gizmos and gadgets produced by Valley companies. The Tech serves as a material focal point for Valley culture, but fails to provide a coherent direction or message for it.