A thematic and critical literature review was conducted to determine what is known about adolescents' experiences with online sex education. Four major themes could be discerned from the literature, revealing that: (a) adolescents report engaging with sex information online; (b) adolescents are interested in a number of topics, including sexually transmitted infections and pregnancy; (c) the quality of adolescent-targeted sex information online can be lacking, but adolescents can evaluate these sources; and (d) Internet-based interventions can increase adolescents' sexual health knowledge. Inconsistencies in the literature are discussed and suggestions are made for future research.
The pediatric Appendicitis Risk Calculator (pARC) is a validated clinical tool for assessing a child's probability of appendicitis. Our objective was to assess the performance of the pARC in community emergency departments (EDs) and to compare its performance with that of the Pediatric Appendicitis Score (PAS).Methods: We conducted a prospective validation study from October 1, 2016, to April 30, 2018, in 11 community EDs serving general populations. Patients aged 5 to 20.9 years and with a chief complaint of abdominal pain and less than or equal to 5 days of right-sided or diffuse abdominal pain were eligible for study enrollment. Our primary outcome was the presence or absence of appendicitis within 7 days of the index visit. We reported performance characteristics and secondary outcomes by pARC risk strata and compared the receiver operator characteristic (ROC) curves of the PAS and pARC.Results: We enrolled 2,089 patients with a mean age of 12.4 years, 46% of whom were male patients. Appendicitis was confirmed in 353 patients (16.9%), of whom 55 (15.6%) had perforated appendixes. Fifty-four percent of patients had very low (<5%) or low (5% to 14%) predicted risk, 43% had intermediate risk (15% to 84%), and 4% had high risk (!85%). In the very-lowand low-risk groups, 1.4% and 3.0% of patients had appendicitis, respectively. The area under the ROC curve was 0.89 (95% confidence interval 0.87 to 0.92) for the pARC compared with 0.80 (95% confidence interval 0.77 to 0.82) for the PAS. Conclusion:The pARC accurately assessed appendicitis risk for children aged 5 years and older in community EDs and the pARC outperformed the PAS.
Students and instructors bring varying levels of experience and expectations to online learning. This became even more apparent in March 2020 when the pandemic disrupted faceto-face instruction and required rapid conversion to remote teaching. In this study, mixed methods were used to understand how students perceived these instructional changes and to examine the effects of remote learning on their approach to subsequent coursework and faculty interactions. First, open-ended survey data collected from students enrolled in a summer 2020 nonmajors asynchronous laboratory course were analyzed to learn more about students' spring 2020 remote learning experiences. The questions directly addressed remote learning experiences and emphasized study strategies learned, faculty communication modes, and students' perceived ability at taking online courses. Second, four consecutive years of survey dataincluding both Likert-type scale surveys and open-ended questionswere analyzed to identify core themes and to measure variations between cohorts. These data present a unique opportunity in that they allow for critical analyses and document differences in online learning experiences for student cohorts pre-(2017−2019) and post-(2020) the COVID-19 disruption. The findings from the survey data can be used to inform how faculty may better focus their teaching efforts while promoting student learning and engagement during a time of continued teaching disruption and uncertainty. The overall results of this study are applicable to all levels of chemistry courses. In addition, the established nonmajors online laboratory course model presented in this study provides a strong example for others who are developing new online or hybrid chemistry courses.
Most genetic studies consider autism spectrum disorder (ASD) and developmental disorder (DD) separately despite overwhelming comorbidity and shared genetic etiology. Here, we analyzed de novo variants (DNVs) from 15,560 ASD (6,557 from SPARK) and 31,052 DD trios independently and also combined as broader neurodevelopmental disorders (NDDs) using three models. We identify 615 NDD candidate genes (false discovery rate [FDR] < 0.05) supported by ≥1 models, including 138 reaching Bonferroni exome-wide significance ( P < 3.64e–7) in all models. The genes group into five functional networks associating with different brain developmental lineages based on single-cell nuclei transcriptomic data. We find no evidence for ASD-specific genes in contrast to 18 genes significantly enriched for DD. There are 53 genes that show mutational bias, including enrichments for missense ( n = 41) or truncating ( n = 12) DNVs. We also find 10 genes with evidence of male- or female-bias enrichment, including 4 X chromosome genes with significant female burden ( DDX3X , MECP2 , WDR45 , and HDAC8) . This large-scale integrative analysis identifies candidates and functional subsets of NDD genes.
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