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Research

Identifying Student Learning Styles

Date : June 2022

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Identifying Student Learning Styles

Research

Identifying Student Learning Styles

Date : June 2022

Everyone learns and understands concepts in different ways. Whereas one student may prefer to read about a concept and engage in solving practice questions on the concept, another student may prefer to watch a video and jump into taking a test on it. At Embibe, we have over 10+ years of data on students interacting with content and questions on the platform. We are constantly mining this data to discover surprising insights into student behaviour. Student learning style identification is….

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Research

Extracting Semantic and Context Information from Images and Equations

Date : June 2022

A vast majority of academic content includes information that is locked in images, equations, and symbols. The challenging problem of extracting semantic and contextual information from images and equations is very closely related to the problem of automated ingestion of content from unstructured data sources. Extracting semantic information from images is still a domain-dependent hard task requiring large datasets, complex machine vision, and deep learning approaches. Extracting meaningful information from images and equations is a domain-dependent task requiring a comprehensive understanding….

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Extracting Semantic and Context Information from Images and Equations
Automated Evaluation of Free Text Answer based Questions

Research

Automated Evaluation of Free Text Answer based Questions

Date : November 2021

A vast majority of competitive exams require the participants to solve objective-type questions, like questions that require one or more correct answers to be selected from a given set of answer choices or questions for which participants have to enter a numerical value. Evaluation of tests that are based on objective-type questions is quite straightforward. However, there are many exams, for example, board exams, which include questions with free-text answers. Evaluation of free-text answers is still an open research problem….

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Research

Smart Tagging – Towards Intelligent Content

Date : November 2021

The online evaluation used to assess a student’s understanding of concepts requires the questions used in the evaluation system to be tagged with concepts and other metadata like difficulty level, the time needed to solve, skills etc., that can be used to identify concepts the student is weak at or the level of her understanding with respect to that content. Typically, metadata tagging is performed manually by expert faculty. However, this is prohibitively expensive when a large dataset of questions….

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Smart Tagging – Towards Intelligent Content
Effects of Student Behaviour on Learning Outcomes

Research

Effects of Student Behaviour on Learning Outcomes

Date : November 2021

Academic Success is an established term in education and assessment that has undergone many changes. While some define ‘academic success’ in terms of standard measures like grades in a series of exams, others are inclined to use the term broadly. There has been a rapid expansion of studies to identify measures that show academic success is not just the marks obtained in an exam but also the learning and holistic development of a student, including improvement in a student’s attitude….

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Research

Embibe Score Quotient: Machine Learning for Outcomes Improvement

Date : November 2021

We believe measurability lies at the heart of improvement — what can be measured can be improved. Embibe Score Quotient is a numeric parameter that captures a student’s ability to score in an exam. The Embibe Sqore Quotient has the following characteristics: Reflective: Embibe Score Quotient should reflect a student’s potential based on latent attributes of the student’s performance. Predictive: It should be predictive based on the current trend of a student’s performance. Robust: A bad or good test should….

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Embibe Score Quotient: Machine Learning for Outcomes Improvement
Intelligent Content Ingestion

Research

Intelligent Content Ingestion

Date : November 2021

When we say students can solve unlimited questions on Embibe’s platform, we mean it. Embibe has a large dataset of questions available for students to practice on or to take assessment tests. However, ingesting these questions into the system is tedious and time-consuming. Historically, this dataset of questions was prepared by human data entry operators who would source questions from various freely available question sets on the internet or via tie-ups with our partner institutions. They would manually type out….

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Research

Building the Learning Outcomes AI Stack

Date : November 2021

Embibe has been a data-driven, data-focused, data-hungry company right from its inception, having understood very early that data was the key ingredient in being able to personalise education for every student at scale. And yet, data alone completes only half the picture. The personalisation of education using technology is a challenging problem that requires the interplay of advanced algorithms that can leverage enormous amounts of data across multiple sub-domains. At Embibe, we believe leaders are not born; they are crafted….

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Building the Learning Outcomes AI Stack
Intelligent Test Generation

Research

Intelligent Test Generation

Date : November 2021

When it comes to assessing students, test paper-based evaluation remains the most popular method across the world. A test paper aims to evaluate a large population, judge them on their academic ability and classify them into different ability bands. Hence, the test paper must incorporate questions with various discrimination factors, syllabus coverage, and difficulty variations. In the absence of any commercial application to generate high-quality tests automatically that match the level of the exam being tested for, test generation has….

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Research

Intelligent Search for Personalized Education

Date : November 2021

When it comes to delivering information that users are seeking, there are broadly two user experience paradigms. The first one involves a well-crafted, menu-based navigation system. The second is Search which serves content based on user queries. Search is a far superior method by which we seek online information today. While the menu-based system iteratively leads the users to the exact information they are looking for, the limited number of menu options makes it a less feasible option, especially when….

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Intelligent Search for Personalized Education
Skill Them Early

Research

Skill Them Early

Date : November 2021

There is a familiar meme that takes a light-hearted view on the current state of many education systems around the world. Judging a fish by its ability to climb a tree is counter-intuitive at best and sadistic at worst. Figure 1: The “Unfairness” of a “Fair” Education System And yet, this is what many parents, teachers, and education systems expect from students. A common complaint of formal education is that it’s very hard to identify the students’ inherent skills and….

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Research

Data Is the New Force

Date : November 2021

Embibe is fanatical about instrumenting, measuring, collecting, mining, and archiving data. Embibe owns its data, our IP depends on it. At Embibe, we delay the release until adequate instrumentation is in place to measure how our users interact with our products and what factors lead to specific outcomes. This obsession with data led to many insightful revelations on how students study and achieve their goals. For instance, a student’s potential to score is a combination of two factors – their….

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Data Is the New Force
Learning to Rank for Personalized Search

Research

Learning to Rank for Personalized Search

Date : November 2021

Embibe helps students improve their learning outcomes, and the main method of finding the content they need is using Embibe’s personalized search engine rather than a menu-driven navigation system. With the advancement in web search, users today expect personalized education through the very first page of search results to contain the exact information they seek. The amount of content on Embibe is humongous and includes study material, videos, practice questions, tests, articles and news items across exams, subjects, units, chapters,….

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Research

Impacting Learning Outcomes in the Education Sector Through Artificial Intelligence

Date : November 2021

The world has entered the digital age. Technology today touches every aspect of human life, be it business, communication, travel, health or education. Globally, the education sector is embracing technology wholeheartedly, and the implications of advanced technologies are creating wonders in this field. Chief among these rapidly evolving technologies is Artificial Intelligence in education, and its effects are far-reaching. While much of Artificial Intelligence’s theoretical basis is decades old, the proliferation of commodity computing hardware is making it more accessible….

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Impacting Learning Outcomes in the Education Sector Through Artificial Intelligence
Predicting Student Scores in Standardized Tests with 1pl Item Response Theory

Research

Predicting Student Scores in Standardized Tests with 1pl Item Response Theory

Date : November 2021

At Embibe, we help students improve their scores in standardized examinations by incorporating insights and models from learning theory and education research through item response theory models. One widely used model named Item Response Theory[1, 2] predicts a student’s likelihood of answering a question correctly by estimating the student’s skill or ability level and the difficulty level of the question being attempted. It was first proposed in the 1960s, and many variants of this exist today, such as the 1PL….

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Research

Deduplication: A Technical Overview

Date : November 2021

As an EdTech platform, Embibe curates and manages a huge pool of learning objects which can be served to the students to fulfil their learning requirements. This content pool primarily holds content like videos, explainers, and interactive learning elements to educate the user about any academic concept. Also, it contains questions that can be bundled together intelligently to provide gamified practice and test experiences. At Embibe, the user engagement under the practice and test storyline provides us with the crucial….

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Deduplication: A Technical Overview
Question Discrimination Factor

Research

Question Discrimination Factor

Date : November 2021

Tests are learners’ most preferred assessment techniques to measure performance against the targeted learning outcomes through deep learning-based methods. So, tests must be fair and effective to identify students’ learning gaps and boost students’ learning. The ability of a test to meet these goals is an aggregation of how relevant each question of the test is. Thus, the reliability of a test can be increased by item analysis, where students’ responses for each question or item are utilized to evaluate….

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Research

Auto-Classification of Relationships between Knowledge Graph Nodes

Date : November 2021

Introduction Embibe’s Knowledge Graph (KG) is a curriculum-agnostic multi-dimensional graph that consists of 75,000+ nodes. Each node represents a discrete unit of academic knowledge, also called concepts. The Knowledge Graph also has hundreds of thousands of interconnections (relations) between the nodes showing how concepts are not independent but are instead related to other concepts. The interconnections between nodes are assigned a type based on the kind of relationship that exists between them. Incomplete knowledge graphs and missing relationships have been….

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Auto-Classification of Relationships between Knowledge Graph Nodes
Solver Technology to Automatically Answer Questions

Research

Solver Technology to Automatically Answer Questions

Date : November 2021

As an EdTech platform, allowing students to practice questions on thousands of concepts from the syllabi of hundreds of exams through solver technology is a must. Embibe has invested in enriching questions with explanations and step-by-step solution guides to help students understand how a particular question can be solved. This has been a manual process wherein human subject matter experts solve the questions. As Embibe’s question dataset grows, relying on manually created solutions is prohibitively expensive. Solver Technology is still….

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Research

Auto-Generation of Questions of Desired Complexity

Date : November 2021

Embibe is all about the personalisation of education, and our technology is very good at serving the right piece of content, to the right student, at the right time. It is for this reason having access to a large dataset of usable content, especially questions, is very important to us. Historically, human data entry operators prepared Embibe’s dataset of questions. They would source questions from various freely available question sets online or via tie-ups with our partner institutions. The core….

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Auto-Generation of Questions of Desired Complexity
Serving A Range of Student Learning Styles

Research

Serving A Range of Student Learning Styles

Date : November 2021

The pedagogical choices of instructors in schools and colleges have largely driven student learning styles. Therefore, there is a range of learning styles for students. Felder-Silverman and Kolb’s learning styles are the two well-known frameworks that have a major influence on them and acted as the bedrock for Embibe’s digital learning platform and pedagogy. What Are Learning Styles Anyways? Learning styles proposed by Felder-Silverman are active-reflective, visual or verbal, sensing or intuitive and sequential or global, a highly personalized approach….

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Research

Automated Discovery of Knowledge Graph Nodes

Date : November 2021

Introduction Embibe’s Knowledge Graph is a curriculum-agnostic multi-dimensional graph consisting of more than 75,000+ nodes, each representing a discrete unit of academic knowledge, also called concepts and the hundreds of thousands of interconnections between them showing how concepts are not independent but are instead related to other concepts.  As Embibe expands its content, the Knowledge diagram is also constantly evolving. Historically, it has been built using expert faculties’ manual effort and smart automation to curate portions of the graph. However,….

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Automated Discovery of Knowledge Graph Nodes