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Number of pages=23Geological SciencesIntegrative Biolog
Fearless Friday: Venissa Ledesma
This week we are celebrating the work of Venissa Ledesma ’19. Venissa is a sophomore at Gettysburg College from San Diego, California. She is an Environmental Studies major and a Peace and Justice Studies minor. Currently, Venissa is the president of the Latin American Student Association (LASA), a Program Coordinator for Immersion Projects at the Center for Public Service (CPS), a tour guide for prospective students, and a Day Host Ambassador for the Admissions office.
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Austrian Way of Life
While still in the midst of their study abroad experiences, students at Linfield College write reflective essays. Their essays address issues of cultural similarity and difference, compare lifestyles, mores, norms, and habits between their host countries and home, and examine changes in perceptions about their host countries and the United States. In this essay, Vanessa Zea-Ledesma describes her observations during her study abroad program at the Austro-American Institute of Education in Vienna, Austria
Multilingual investigation of theory-based intervention for program comprehension
This thesis is the continuation of an experiment called “Eye-movement Modeling Examples in
Source Code Comprehension: A Classroom Study”. This first experiment studies how effective is
showing novice programmers how experts read code with a video with the expert’s gaze guided
by a verbal explanation. Therefore, this thesis studies, using a similar experiment, whether only
verbal explanation and visual stimuli without the expert’s gaze could be also helpful for the
programming novices.Grado en IngenierĂa Informática de Servicios y Aplicacione
Non-linearities and unit roots in G7 macroeconomic variables
We carry out a meta-analysis on the frequency of unit-roots in macroeconomic time series with a dataset covering 249 variables for the G7 countries. We use linear tests and the three popular non-linear tests (TAR, ESTAR and Markov Switching). In general, the evidence in favour of the random walk hypothesis is weaker than in previous studies. This evidence against unit roots is stronger for real and nominal asset prices. Our results show that rejection of the null of a unit root in the macro dataset is substantially higher for non-linear than linear models. Finally, the results from a Monte Carlo experiment show that rejection frequencies are very close to the nominal size of the test when the DGP is a linear unit root process. This leads us to reject the hypothesis that overfitting deterministic components explains the higher rejection frequencies of nonlinear tests
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