Inter-rater reliability assessment for the new-born screening quality assurance

IntroductionTo ensure the quality of the new-born screening (NBS), our laboratory reviewed the analytical procedure to detect subjective steps that may represent a risk to the patient. Two subjective activities were identified in the extra-analytical phases: the classification of dried blood spots (DBS) according to their quality and the assignment of haemoglobin patterns. To keep these activities under control, inter-rater studies were implemented. This study aimed to evaluate the inter-rater reliability and the effectiveness of the measures taken to improve the agreement between observers, to assure NBS results’ quality.Materials and methodsDried blood spots specimens were used for the inter-rater studies. Ten studies were performed to assess DBS quality classification, and four to assess the assignment of haemoglobin patterns. Krippendorff’s alpha test was used to estimate inter-rater reliability. Causes were investigated when alpha values were below 0.80.ResultsFor both activities, the reliability obtained in the first studies was inadequate. After investigation, we detected that the criterion to classify a DBS as scant was not consolidated, and also a lack of consensus on whether or not to report Bart’s haemoglobin depending on its percentage. Alpha estimates became higher once the training was reinforced and a consensus about the appropriate criteria to be applied was reached.ConclusionInter-rater reliability assessment helped us to ensure the quality of subjective activities that could add variability to NBS results. Furthermore, the evolution of the alpha value over time allowed us to verify the effectiveness of the measures adopted.     

Dissipative output feedback control for semi-Markovian jump systems under hybrid cyber-attacks

In this paper, the dissipativity-based dynamic output feedback controller (DOFC) design for Semi-Markovian jump systems under stochastic cyber-attacks is first proposed. It is assumed that the time-varying uncertainties obey Bernoulli-distribution and transition probability matrix is time-varying and partially accessed. By utilizing the dissipativity-based technique, sufficient conditions for the existence of the DOFC are obtained to ensure the exponential stability with a strict dissipative performance of the resulted system. Next, the proposed results are improved by fractionalizing the time-varying transition probability matrix and the corresponding DOFC gains are obtained by cone complementarity linearization algorithm. Simulations results are provided to demonstrate the effectiveness and theoretical value of the proposed dissipativity-based DOFC design method.     

Visuospatial Orientation Learning through Virtual Reality for People with Severe Disability

This study aims to test how an intervention based on virtual reality (VR) may enhance visuospatial skills amongst people with disability. A quasi-experimental intra-group study was therefore conducted. Participants were 20 people with severe disability (65% males; 34.35 years, on average, and 84.95% of disability rate according to the Andalusian Government index). Intervention consisted of 15 sessions of active navigation using a VR building similar to the participants’ day rehabilitation centre with the task of locating different rooms and objects. The time spent and errors in route in the virtual and the real environments were measured before and after the intervention. Additionally, participants had to fill out a map location task. As a result, participants showed fewer errors and less time at post-intervention assessments even with non-trained stimuli (p < .05). These results demonstrate the usefulness of VR-based interventions with active navigation to accelerate orientation learning in real-life situations.     

Intercorporeality and ethical commitment: an activity perspective on classroom interaction

In this article, we present a sociocultural alternative to contemporary constructivist conceptions of classroom interaction. Drawing on the work of Vygotsky and Leont??ev, we introduce an approach that offers a new perspective through which to understand the specifically human forms of knowing that emerge when people engage in joint activity. To this end, we present two concepts: space of joint action and togethering. The space of joint action allows us to capture the collective and sensuous or intercorporeal dimensions of thought and feeling in interaction. We resort to the concept of togethering to capture the ethical commitment participants make to engage in and produce activity. These concepts are illustrated through a discussion of concrete episodes from an elementary mathematics classroom.     

A psychosocial approach to shame,embarrassment and melancholia amongst unemployed young men and their fathers

This paper uses a psychosocial approach to explore young unemployed men’s resistance to work they describe as ‘embarrassing’ and ‘feminine’, in the context of the closure of a steelworks in a town in the South Wales valleys. In our psychosocial interview‐based study, with young men as well as their mothers and (where possible) their fathers, we found a community riven with complex feelings about masculinity and femininity, projected on to the young men in such a way as to almost scapegoat them. The experience of the young men was marked by embarrassment and shame. They feel bullied and shamed by their families, peers and others in the community for not being able to find gender‐appropriate work.     

Identity Production in Figured Worlds: How some Mexican Americans become Chicana/o Activist Educators

Using Holland, Lachicotte, Skinner, and Cain’s (1998) theory of identity and their concept of figured worlds, this article provides an overview of how twenty-four Mexican Americans came to produce Chicana/o Activist Educator identities. The desire to raise consciousness (teach for social justice pero con ganas) and “give back to the [their] community” became a very important part of this identity. Using an ethnographic interview as well as a life history interview methodology, this article specifically focuses on the participants’ conceptual and procedural identity production in local Chicana/o activist figured worlds (usually in colleges and universities). In these local figured worlds, the participants produced a more complex process of identity production that was both conceptual and procedural. The article concludes with broad implications for urban teacher education. Luis Urrieta, Jr. is assistant professor of cultural studies and education and Fellow in the Lee Hage Jamail Regents Chair in Education at the University of Texas at Austin. His research interests are in identity, agency, and social movements in education with a focus on Chicana/o and Indígena (P’urhépecha) education, citizenship and social studies education. 1 University Station D5700, Austin, TX 78712, USA.     

Using context variety and students' discussions in recognizing statistical situations

We present a proposal for helping students to cope with statistical word problems related to the classification of different cases of confidence intervals. The proposal promotes an environment where students can explicitly discuss the reasons underlying their classification of cases.     

Exploring socioeconomic inequalities and access to elite postgraduate education among English graduates

Higher Education - A worldwide trend towards high levels of participation in higher education, paired with concerns about the post-university destinations of an increasing pool of graduates, have...