La expresión oral es una de las competencias principales que todo estudiante de lenguas debe desarrollar, pero que por lo general se ve afectada por factores emocionales como desmotivación, estrés y sobre todo ansiedad. Sin embargo, debido a que las investigaciones tradicionalmente se enfocaban en los aspectos cognitivos del proceso de aprendizaje, no son suficientes los estudios actuales en torno a la ansiedad durante el proceso de evaluación, a pesar de que es un problema que inhibe el aprendizaje y el rendimiento académico de los estudiantes. El principal objetivo de esta investigación es analizar de qué manera la ansiedad incide en los estudiantes de la Licenciatura en Idiomas de la Universidad Juárez Autónoma de Tabasco en el proceso de evaluación oral, qué factores son los más influyentes y por qué se dan estas situaciones.
Background Thyroid function is one of the most current procedures in the evaluation of endocrine function performed in daily practice; the reference intervals for thyrotropin (TSH) depend on the assay technology and the instruments in each laboratory. The main objective of this study is to determine the thyrotropin reference values in patients considered as euthyroid, living in the Andean region, at 2850 meters above sea level (Quito, Ecuador). Methods A cross-sectional, analytical, epidemiological study was conducted using a sample of 595 healthy adult volunteer donors from the Military Hospital Blood Bank in Quito-Ecuador. Serum samples were analyzed for thyrotropin levels using electrochemiluminescence. The reference values were calculated using recommendations from the CLSI C28A3 guide. Results The mean age of the overall sample was 35.7 (7.2) years, 50.9% (n = 303) were women. TSH recovered in the total sample showed a median of 2.64 mIU/L (2.5th–97.5th percentiles: 0.91–8.35 mIU/L); after removing outliers the reference values for the studied population were 0.87 to 5.21 mIU/L, without differences by sex. Conclusions General laboratory practice should improve harmonization of TSH assays. This is a must in daily clinical practice, since it would allow us to share real reference intervals in an established population and may be related to the presence or absence of thyroid pathology.
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