The sbelling of sdops: Preliterate children’s spelling of stops after /s/

Newly literate children have a tendency to spell s-stop sequences in words like spin, stop, sky with B, D, G (SBIN, SDOP, SGY), rather than with standard P, T, K. This observation potentially has implications for theories of English phonology as well as of language and literacy acquisition. Understanding these implications, however, requires data about the spelling preferences of preliterate children. In this study, a training-and-transfer design was used to test these spelling preferences in preliterate children. Results confirm that these children relate words with stops after /s/ to words with initial /b, d, g/ rather than to words with initial /p, t, k/. The paper outlines several possible interpretations: that preliterate children have a different phonemic analysis from adults, that they believe spelling represents archiphonemes that they believe spelling represents allophones, and that their early spelling attempts track the phonetic surface. The data suggest rejection of the second interpretation and in our view favour the last over the remaining interpretations. Several theoretical issues are raised that need to be resolved before a full account of the data can be offered.     

Biochemical markers of brain injury: could they be used as diagnostic adjuncts in cases of inflicted traumatic brain injury?

Child abuse is the leading cause of serious traumatic brain injury (TBI) in infants and young children (Billmire & Myers, 1985; Bruce & Zimmerman, 1989). The incidence of serious or fatal inflicted traumatic brain injury (iTBI) in children < 1 year of age is approximately 1 in 3,300 ( Keenan et al., 2003); since many cases of iTBI are of mild or moderate severity, the incidence is probably significantly higher. Even at an incidence of 1 in 3,300, iTBI is as common as the incidence of cystic fibrosis (CF), the most common genetic recessive disease in the Caucasian population. Proper diagnosis of iTBI is difficult even for experienced and astute physicians because its presentation can be subtle and important historical data are often lacking. As a result, misdiagnosis is common and can have catastrophic medical consequences for patients and significant financial consequences for society ( Ewing-Cobbs et al., 1998; Jenny, Hymel, Pitzen, Reinert, & Hay, 1999). Unlike CF for which there are several well established screening tests, there are currently no diagnostic adjuncts to help physicians screen for possible iTBI.     

Exploratory insights from the right-sided electrocardiogram following prolonged endurance exercise

Background: Prolonged strenuous exercise has a profound effect on cardiac function. The right heart may be more susceptible to this imposition; yet, right-sided chest leads have not been utilised in this setting. Methods: Thirty highly trained athletes at the 2014 Western States 100-mile Endurance Run from Squaw Valley to Auburn, California (body mass 68?±?12?kg, age 45?±?10?years, 57?±?15?miles per week) were recruited for the study. Pre- and post-race, a right-sided 12-lead ECG was obtained and data were extracted for P, R and S waves, J point, ST segment and T wave amplitude. Data were compared using Students T-test and statistical significance set as P?Results: There was a significant increase in P wave amplitude (29%) and QTc interval (4%) pre- to post-race from standard 12-lead ECG. From the right-sided12-lead ECG, a 23% (P?=?.01) and 38% (P?=?.03) increase in J point amplitude in V1R and V2R and a 22% (P?=?.05) increase in ST segment integral in V2R and V3R were evident. T wave inversion was evident in leads V2R–V6R in 50–90% of athletes, respectively. Close examination revealed marked heterogeneity in individual ECGs. Conclusions: Completion of a 100-mile ultra-marathon resulted in significant changes in the right-sided ECG alongside more marked responses in specific individuals. P wave, ST segment and T wave changes post-race are indicative of acute exercise-induced right heart electrical adaptation.     

Teaching and Learning in STEM Enrichment Spaces: From Doing Math to Thinking Mathematically

Science, technology, engineering, and mathematics (STEM) enrichment programs can meet the needs of gifted students by providing an intellectual challenge, a motivated peer group, and skilled teachers. In the Saturday Enrichment Program (SEP), 40 students (Grades 4–8) explored challenging math topics not typically taught in their schools. Pre and post questionnaires, video documentation of classes, and field notes indicated that students were less interested in the content of their school math classes after participation in SEP. They also reported that SEP provided a more appropriate pace, challenge, and fun. Analysis of classroom videos revealed four major strategies teachers utilized: (a) fostering of a supportive and collaborative environment, (b) developing the identity of a mathematician, (c) open-ended questions for conceptual exploration, and (d) discovery through play.     

Spontaneity and planning in arts attendance: insights from qualitative interviews and the Audience Finder database

ABSTRACT

Arts managers frequently use customer relationship management systems to identify early and late ticket bookers, but to date there has been no comparable investigation of spontaneity and planning through qualitative academic audience research. This paper combines two radically different datasets to draw new insights into booking patterns of audiences for contemporary arts events. Quantitative data from Audience Finder has been analysed to look for trends in early and late booking amongst audiences for contemporary art forms. Qualitative data has been drawn from the Understanding Audiences for the Contemporary Arts study, which used in-depth individual interviews to investigate the contemporary arts attendance of audience members in four UK cities. Interpretative Phenomenological Analysis was then used to draw out insights about where the purchasing point sits within the longer decision to attend. Following a review of marketing and audience research literature on the decision to attend, we present the findings from each of these analyses, looking at moments where they confirm, supplement, contradict, or say something completely outside the remit of the other dataset. We show how the timescale of the decision to attend is influenced by (1) art form conventions and price, (2) geographical region and availability of the arts, (3) attending arts events with companions, and (4) personal preference for planning or spontaneously choosing activities. We end by suggesting a new three-part model for understanding booking patterns, and considering how these insights might be acted upon by arts organisations.