Exploring students’ learning difficulties in secondary mathematics classroom in Gilgit-Baltistan and teachers’ effort to help students overcome these difficulties

This article sets out to describe and explain how four high school teachers, identified as improvement-oriented teachers (IOTs), in their day-to-day teaching, try to use pedagogical remedies to help their students overcome the difficulties that hinder in-depth learning in secondary mathematics classrooms. Providing reflective accounts from the IOTs’ experiences and presenting illustrative examples from their classrooms, the study provides a broad picture of the context in which students learn mathematics. The study recognizes the factors that constrain students from gaining in-depth understanding into subject matter knowledge; it highlights the possibilities of fostering in-depth learning by establishing the primacy of the teacher in bridging the gap between students’ perceptive faculty of mind and subject matter knowledge. It recognizes the influences the teacher’s actions, pedagogical moves and decisions exert on students’ in-depth learning of concepts. The study also underscores the vital importance of students’ prior knowledge of basic mathematical concepts in in-depth learning of new concepts. Implication of the results of the study underscores the need for synergy of efforts on the part of teacher, school, and other key stakeholders, and curriculum in creating and promoting an environment conducive to students’ in-depth learning in mathematics

Improving customer churn prediction by data augmentation using pictorial stimulus-choice data

The purpose of this paper is to determine the added value of pictorial stimulus-choice data in customer churn prediction. Using Random Forests and 5 times 2 fold cross-validation, this study analyzes how much pictorial stimulus choice data and survey data increase the AUC of a churn model over and above administrative, operational and complaints data. The finding is that pictorial-stimulus choice data significantly increases AUC of models with administrative and operational data. The practical implication of this finding is that companies should start considering mining pictorial data from social media sites (e.g. Pinterest), in order to augment their internal customer database. This study is original in that it is the first that assesses the added value of pictorial stimulus-choice data in predictive models. This is important because more and more social media websites are focusing on pictures

Explaining Trained Neural Networks with Semantic Web Technologies: First Steps

The ever increasing prevalence of publicly available structured data on the World Wide Web enables new applications in a variety of domains. In this paper, we provide a conceptual approach that leverages such data in order to explain the input-output behavior of trained artificial neural networks. We apply existing Semantic Web technologies in order to provide an experimental proof of concept

Developing Learning Trajectory For Enhancing Students’ Relational Thinking

Algebra is part of Mathematics learning in Indonesian curriculum. It takes one half of the teaching hours in senior high school, and one third in junior high school. However, the learning trajectory of Algebra needs to be improved because teachers teach computational thinking by applying paper-and-pencil strategy combining with the concepts-operations-example-drilling approach. Mathematics textbooks do not give enough guidance for teachers to conduct good activities in the classroom to promote algebraic thinking especially in the primary schools. To reach Indonesian Mathematics teaching goals, teachers should develop learning trajectories based on pedagogical and theoretical backgrounds. Teachers need to have knowledge of student’s developmental progressions and understanding of mathematics concepts and students’ thinking. Research shows that teachers’ knowledge of student’s mathematical development is related to their students’ achievement. In fostering a greater emphasis on algebraic thinking, teachers and textbooks need to work more closely together to develop a clearer learning trajectory. Having this algebraic thinking, students developed not only their own character of learning and thinking but also their attitude, attention and discipline. Key Words: Learning Trajectory, Relational Thinkin