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Author(s):  
Ana Kuzle

Research on psychosocial classroom learning environments has a strong tradition due to the early discovery of a relationship between positive classroom climate and academic performance and motivation, engagement, participation, and attitude towards school and teaching. Yet, more research is needed in this area due to the rich concept of classroom climate. In this paper, I focus on the emotional classroom climate in specific mathematics lessons, namely geometry lessons. The goals of this paper are threefold: (a) to present an analytical tool to determine the emotional classroom climate in geometry lessons using participant-produced drawings, (b) to provide insight into the emotional classroom climate in primary grade geometry lessons (Grades 3-6), and (c) to report on the differences and similarities between the grade levels regarding the emotional classroom climate. In total, 114 German primary grade students participated in the study. The emotional classroom climate was analyzed using participant-produced drawings. The results showed that the emotional classroom climate in all grades could be described as positive and relatively stable. However, positive emotional classroom climate dominated in Grade 3 geometry lessons only. Negative classroom climate was elicited in very few cases, if at all. Still, an ambivalent classroom climate (both positive and negative emotions) increased from the lower to the higher grades. Lastly, versatile implications for theory and practice are discussed regarding the methodology as well as possible future directions.


2021 ◽  
pp. 247412642110467
Author(s):  
Travis J. Peck ◽  
Matthew R. Starr ◽  
Yoshihiro Yonekawa ◽  
M. Ali Khan ◽  
Anthony Obeid ◽  
...  

Purpose: This work evaluates the anatomic and functional outcomes of primary rhegmatogenous retinal detachments (RRDs) with preoperative grade B and C proliferative vitreoretinopathy (PVR) vs eyes without PVR. Methods: As a multi-institutional, interventional, retrospective study of all patients undergoing primary RRD surgical procedures from January 1, 2015, through December 31, 2015, this study evaluated the visual acuity (VA) outcomes and single-surgery anatomic success rates (SSAS) of patients with primary grade B and C PVR at the time of RRD repair. Results: A total of 2486 eyes underwent primary RD surgery during the study period, of which 153 eyes (6.2%) had documented preoperative PVR grade B or C. Eyes without PVR had better SSAS compared with eyes with grade B or C PVR (87% vs 83% vs 75%, respectively, P < .0001). Eyes without PVR also had better final mean (SD) logMAR VA (0.35 [0.47]; 20/45 Snellen equivalent) than eyes with PVR of grade B (0.50 [0.56]; 20/63 Snellen equivalent) or grade C ( P < .0001). In only eyes with preoperative PVR, there were no significant differences in final VA or SSAS on multivariate analysis based on surgical approach or use of retinectomy or membrane peeling alone in the intraoperative management of PVR. Conclusions: Eyes with primary preoperative grade B and C PVR appear to have significantly worse VA outcomes and lower surgical success rates. Surgical approach and management of PVR membranes did not appear to affect VA or success rates, indicating that preoperative PVR severity may dictate these outcomes.


2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Karen Austrian ◽  
Beth Kangwana ◽  
Eunice Muthengi ◽  
Erica Soler-Hampejsek

Abstract Background Adolescent girls’ risk of school dropout and reproductive health (RH) challenges may be exacerbated by girls’ attitudes toward their bodies and inability to manage their menstruation. We assessed effects of sanitary pad distribution and RH education on girls in primary grade 7 in Kilifi, Kenya. Methods A cluster randomized controlled trial design was used. Eligible clusters were all non-boarding schools in three sub-counties in Kilifi County that had a minimum of 25 girls enrolled in primary grade 7. 140 primary schools, 35 per arm, were randomly assigned to one of four study arms: (1) control; (2) sanitary pad distribution; (3) RH education; or (4) both sanitary pad distribution and RH education. Outcomes were school attendance, school engagement, RH knowledge and attitudes, gender norms, and self-efficacy. For outcomes measured both at baseline and endline, difference-in-differences (DID) models were estimated and for outcomes without baseline data available, analysis of covariance models were used. Results The study enrolled 3489 randomly selected girls in primary grade 7, with a mean age of 14.4 (SD 1.5). Girls in arms 2 and 4 received on average 17.6 out of 20 packets of sanitary pads and girls in arms 3 and 4 participated on average in 21 out of 25 RH sessions. Ninety-four percent of the baseline sample was interviewed at the end of the intervention with no differential attrition by arm. There was no evidence of an effect on primary school attendance on arm 2 (coefficient [coef] 0.37, 95% CI − 0.73, 1.46), arm 3 (coef 0.14, 95% CI − 0.99, 1.26) or arm 4 (coef 0.58, 95% CI − .37, 1.52). There was increased positive RH attitudes for girls in arm 3 (DID coef. 0.63, 95% CI 0.40–0.86) and arm 4 (DID coef. 0.85, 95% CI 0.64, − 1.07). There was also an increase in RH knowledge, gender norms and self-efficacy in arms 3 and 4. Conclusions The findings suggest that neither sanitary pad distribution nor RH education, on their own or together, were sufficient to improve primary school attendance. However, as the RH education intervention improved RH outcomes, the evidence suggests that sanitary pad distribution and RH education can be positioned in broader RH programming for girls. Trial registration: ISRCTN, ISRCTN10894523. Registered 22 August 2017—Retrospectively registered, http://www.isrctn.com/ISRCTN10894523


Author(s):  
Gustaf B. Skar ◽  
Pui-Wa Lei ◽  
Steve Graham ◽  
Arne Johannes Aasen ◽  
Marita Byberg Johansen ◽  
...  

AbstractUntil children can produce letters quickly and accurately, it is assumed that handwriting disrupts and limits the quality of their text. This investigation is the largest study to date (2596 girls, 2354 boys) assessing the association between handwriting fluency and writing quality. We tested whether handwriting fluency made a statistically unique contribution to predicting primary grade students’ writing quality on a functional writing task, after variance due to attitude towards writing, students’ language background (L1, L2, bilingual), gender, grade, and nesting due to class and school were first controlled. Handwriting fluency accounted for a statistically significant 7.4% of the variance in the writing quality of primary grade students. In addition, attitude towards writing, language background, grade and gender each uniquely predicted writing quality. Finally, handwriting fluency increased from one grade to the next, girls had faster handwriting than boys, and gender differences increased across grades. An identical pattern of results were observed for writing quality. Directions for future research and writing practices are discussed.


2021 ◽  
Vol 108 (Supplement_5) ◽  
Author(s):  
S Keni ◽  
C Smith ◽  
G Thompson ◽  
P M Brennan

Abstract Introduction The neurovascular unit (NVU) is implicated in glioma tumourigenesis and treatment resistance but intertumoural heterogeneity is not well characterised. We evaluated the structure of the glioma NVU across tumour grades, in primary and recurrent disease. We determined association to overall survival. Method Ethics approval was obtained (15/ES/0094). A tissue microarray was constructed using biopsies from 137 patients and was immunostained for endothelial cells (CD31), extracellular matrix (collagen-IV), pericytes (PDGFR-β and α-SMA) and tight junctions (claudin-V). The immunostaining was assessed using QuPath software and compared by one-way analysis of variance with Tukey post-hoc testing. Association to overall survival was by univariate Cox regression with hazard ratios (HR). Result Primary grade IV tumours had greater CD31+ than grade II tumours (P = 0.046) or recurrent tumours (P = 0.013). After normalising to CD31+, collagen-IV+ was greater in recurrent tumours than in primary grade IV tumours (P = 0.013). PDGFR-β+ was greater in primary grade II tumours than in primary grade III tumours (P = 0.002), primary grade IV tumours (P &lt; 0.001) or recurrent tumours (P &lt; 0.001). Normalised α-SMA+ was greater in recurrent tumours than in primary grade IV tumours (P = 0.021). CD31 + (HR: 1.028, P = 0.004) and collagen-IV + (HR: 1.014, P = 0.008) were negative prognostic factors. After normalisation, PDGFR-β + (HR: 0.975, P = 0.004), α-SMA + (HR: 0.971, P = 0.020) and claudin-V + (HR: 0.994, P = 0.021) were positive prognostic factors. Conclusion Neurovascular remodeling is a feature of malignancy and recurrent tumours have altered neurovascular phenotypes. Markers for pericytes, extracellular matrix and tight junctions supplement classical grading features and predict tumour behavior. Take-home Message Neurovascular remodeling is a feature of malignancy and recurrent tumours have altered neurovascular phenotypes. Markers for pericytes, extracellular matrix and tight junctions supplement classical grading features and predict tumour behavior.


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