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Creators/Authors contains: "Yang, Jing"

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  4. Caregivers are critical to children’s academic and social growth and development. As an adult who provides direct care and support, caregivers play a large role in what concepts and experiences children are exposed to, engage with, and pursue. A growing body of research has highlighted how caregiver influence manifests within out-of-school contexts, yet less is known about the impact of out-of-school learning and engagement from the perspectives of caregivers themselves. This study explored experiences and shifts in caregiver perceptions of shifts within themselves and their children through participation in an out-of-school home-based engineering program. Data were derived from post-program interviews with over 20 participating caregivers from three years of the program. Results illuminate various experiences and shifts in caregiver self-perception and understanding of their children’s learning and development. Specifically, these shifts included enhanced self-reflection and introspection, positive shifts in caregiver interactions with children, and observed increases in self-efficacy and complex thinking within children. Findings contribute to a growing body of knowledge of family engagement and the distinct perspective that caregivers can provide on children’s learning. Further, shifts in caregiver self-concept and self-efficacy in engaging in engineering content make a unique contribution and provide insights into ways that caregiver engagement inmore »out-of-school learning might be adapted to incorporate more accessible learning opportunities, especially those that occur in the home.« less
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  6. Tschauner et al . (Reports, 11 November 2021, p. 891) present evidence that diamond GRR-1507 formed in the lower mantle. Instead, the data support a much shallower origin in cold, subcratonic lithospheric mantle. X-ray diffraction data are well matched to phases common in microinclusion-bearing lithospheric diamonds. The calculated bulk inclusion composition is too imprecise to uniquely confirm CaSiO 3 stoichiometry and is equally consistent with inclusions observed in other lithospheric diamonds.
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  8. Abstract Purpose. This study aims to develop and validate a multi-view learning method by the combination of primary tumor radiomics and lymph node (LN) radiomics for the preoperative prediction of LN status in gastric cancer (GC). Methods. A total of 170 contrast-enhanced abdominal CT images from GC patients were enrolled in this retrospective study. After data preprocessing, two-step feature selection approach including Pearson correlation analysis and supervised feature selection method based on test-time budget (FSBudget) was performed to remove redundance of tumor and LN radiomics features respectively. Two types of discriminative features were then learned by an unsupervised multi-view partial least squares (UMvPLS) for a latent common space on which a logistic regression classifier is trained. Five repeated random hold-out experiments were employed. Results. On 20-dimensional latent common space, area under receiver operating characteristic curve (AUC), precision, accuracy, recall and F1-score are 0.9531 ± 0.0183, 0.9260 ± 0.0184, 0.9136 ± 0.0174, 0.9468 ± 0.0106 and 0.9362 ± 0.0125 for the training cohort respectively, and 0.8984 ± 0.0536, 0.8671 ± 0.0489, 0.8500 ± 0.0599, 0.9118 ± 0.0550 and 0.8882 ± 0.0440 for the validation cohort respectively (reported as mean ± standard deviation). It shows a better discrimination capability than single-view methods, our previous method, and eight baseline methods. When the dimension was reduced to 2, the model not only has effective prediction performance,more »but also is convenient for data visualization. Conclusions. Our proposed method by integrating radiomics features of primary tumor and LN can be helpful in predicting lymph node metastasis in patients of GC. It shows multi-view learning has great potential for guiding the prognosis and treatment decision-making in GC.« less
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