ABSTRACT
Changes in educational paradigms have affected the understanding of how individuals learn. The emergence of Covid-19 has created unprecedented disruption in the education systems. This study attempts to analyse students' perceptions of their learning profile before and after Covid-19, using two different cohorts of students from five schools. Participated in October 2019 (first application) 369 students, and in November 2021 (second application) 294 students. These are students of two educational cycles: grades 7-9 and 10-12. The Effective Lifelong Learning Inventory questionnaire has seven dimensions: 'and learning', 'critical curiosity', 'creativity', 'learning relationships', 'strategic awareness', 'resilience';and it was administered to understand how students self-assess their learning profile. Descriptive and inferential statistics were calculated to analyse the data and detect possible differences in the learning profiles. The results show that students in grades 7-9 seem to have been the most affected by Covid-19 (means were statistically significant in all dimensions except 'resilience') when compared to students in grades 10-12 (statistically significant only in 'critical curiosity', 'learning relationships' and 'meaning making' dimensions). In conclusion, the learning profiles have changed between the applications in both cycles. A higher percentage of students rated themselves worse in almost all dimensions in the sec-ond application. However, the increased autonomy during Covid-19 could explain the average increases in 'resilience' in grades 7-9 and 'creativity' in grades 10-12 from the first to the second application.
ABSTRACT
Having diagnostic methods that meet certain attributes is vital to guide health decisions, the current context warrants it. In order to validate the capacity of two rapid tests to detect antibodies due to SARS-CoV-2 infection in Isla de la Juventud, Cuba, from April to May 2020, a descriptive cross-sectional evaluation study was carried out. Rapid tests: Wondfo (SARS-CoV-2 antibody test) and Lungene covid-19 IgG/IgM, were compared to the real-time polymerase chain reaction test. Two homogeneous samples of 250 each were constructed, determining validation indicators. Sensitivity values of 6.6% and 8.3% respectively were obtained for each test, while the specificity was higher for Wondfo (95%). The positive predictive values were very low, the negative ones were adequate, higher in Lungene with 94.8%. Likelihood ratio values were classified as useless. In different scenarios in terms of symptomatic cases, sensitivity of 50% was reached in an interval of 1 to 7 days for Wondfo. The area under the ROC curve for Wondfo was 0.50 (95% CI = 0.46-0.55) and 0.46 for Lungene (95%CI = 0.38-0.55). The kappa index for Wondfo was 0.025 and 0.010 for Lungene. The rapid tests explored showed very low sensitivity, positive predictive value, and inadequate likelihood ratio. The global validity of the tests did not demonstrate a good diagnostic performance, marked by the value of the area under the ROC curve. The degree of agreement was poor. © 2021, Finlay Ediciones. All rights reserved.