Results 1 to 10 of about 4,878 (67)

Formative Assessment in Higher Education Classrooms: Second Language Writing Learning [PDF]

open access: yesInternational Journal of TESOL Studies, 2021
Although assessment for learning (AfL) has gradually become a dominant discourse in L2 writing classrooms in higher education throughout the world, in many cases, the quality of AfL implementation in real writing classrooms does not seem to be high ...
Yujie Zhong, Manzhen Yang
doaj   +1 more source

Development of a Backtesting Web Application for the Definition of Investment Strategies

open access: yesKnowledge, 2023
Backtesting represents a set of techniques that aim to evaluate trading strategies on historical data in order to verify their effectiveness before applying them to a market in real time.
Antonio Sarasa-Cabezuelo
doaj   +1 more source

Ten Years After the 2008 Crisis: Has Risk Aversion Won?

open access: yesBBR: Brazilian Business Review, 2023
The aim of this paper is to investigate the performance of low-volatility portfolio strategies representing risk aversion after the 2008 global financial crisis.
Eliana Marcia Martins Fittipaldi Torga   +3 more
doaj   +1 more source

Assessment challenges in open learning: Way-finding, fork in the road, or end of the line?

open access: yesOpen Praxis, 2013
Growing global commitments to open learning through the use of Open Educational Resources (OERs) are accompanied by concerns over what “to do” with that learning when learners present it to traditional institutions for assessment and accreditation.
Dianne Conrad
doaj   +5 more sources

Letting Go of Grades: Creating an Environment of Autonomy and a Focus on Learning for High Achieving Students

open access: yesTeaching & Learning Inquiry: The ISSOTL Journal, 2022
In this essay we discuss an iterative, reflective writing assignment (the “learning charter”) as a way to understand how high-achieving students experienced an ungrading learning environment.
Eric Hall, Kristina Meinking
doaj   +1 more source

Multipurpose Strategy for Energy Storage System Based on Capital Asset Pricing Model With Ensemble Approach

open access: yesIEEE Access, 2021
In this paper, we present a multipurpose operation strategy for the efficient distribution of power to multiple power services from a single battery energy storage system (BESS). The proposed operation strategy uses a modern portfolio theory of financial
Kazufumi Yuasa   +3 more
doaj   +1 more source

Systematic Initialization Approaches for Portfolio Optimization Problems

open access: yesIEEE Access, 2019
Selecting the number of assents to obtain the maximized expected return under the possible lowest risk is the main concern of portfolio optimization problems. Optimization algorithms -multi/many-objective- are evaluated to find the desired/possible level
Mehmet Altinoz, O. Tolga Altinoz
doaj   +1 more source

INVESTMENTS IN TIMES OF UNCERTAINTY: FORMATION OF PORTFOLIOS USING RANDOM FOREST

open access: yesRevista Gestão em Análise, 2023
Objective: based on a systematic approach using machine learning, this research aims to propose a model of selection and allocation of assets that allows for building profitable and safe portfolios, even in times of insecurity and low predictability ...
José Erasmo Silva   +2 more
doaj   +1 more source

Entropic Data Envelopment Analysis: A Diversification Approach for Portfolio Optimization

open access: yesEntropy, 2017
Recently, different methods have been proposed for portfolio optimization and decision making on investment issues. This article aims to present a new method for portfolio formation based on Data Envelopment Analysis (DEA) and Entropy function.
Paulo Rotela Junior   +5 more
doaj   +1 more source

Gesprächsführung in der medizinischen Ausbildung im Lehr- und Lerncurriculum [Communication training in medical education in the teaching and learning curriculum]

open access: yesGMS Zeitschrift für Medizinische Ausbildung, 2009
[english] Purpose: The presented survey deals with the learning of communication skills. The aim of this research paper is to provide an insight into students’ learning process by analyzing their views on the communication training program in Leipzig ...
Glenewinkel, Clara, Rockenbauch, Katrin
doaj   +1 more source

Home - About - Disclaimer - Privacy