Online learning

Online learning is the practice of studying, teaching, and gaining knowledge through The Internet and other digital networks. It can be quite useful, because there are many ways to learn online. A great deal of information is available on the Internet, covering a very wide range of topics, and a great deal of research is published and available online. Online learning includes formal courses offered by schools, informal self-study, and community-run resources that anyone can read or improve.

History

Correspondence and early computer-based learning

Distance education existed long before the Internet. In the nineteenth century, correspondence courses allowed students to receive lessons and return assignments by mail. Radio and television later carried educational programs to wider audiences.

Computer-based learning began in the 1960s. The PLATO system, developed at the University of Illinois starting in 1960, is often described as one of the first general computer-assisted instruction systems. Later versions of PLATO included features such as message boards and online chat, which anticipated many tools used in online courses today.

Learning management systems

As personal computers and the Internet spread during the 1990s, schools began using software to deliver course materials, collect assignments, and record grades. These tools became known as learning management systems (LMS). Open source platforms such as Moodle, first released in 2002, and commercial or hosted platforms such as Canvas, launched in 2011, are now widely used by colleges, universities, and schools.

Open courseware and MOOCs

In 2001, the Massachusetts Institute of Technology announced MIT OpenCourseWare, a project to publish materials from its courses online for free. The site opened publicly in 2002 and inspired similar efforts at other institutions.

The term "massive open online course" (MOOC) was coined in 2008 to describe an open online course on connectivism led by George Siemens and Stephen Downes. Also in 2008, Salman Khan founded Khan Academy, a nonprofit that offers free instructional videos and practice exercises. In 2012, several large MOOC providers launched or expanded, including Coursera, edX, and Udacity. Some media outlets called 2012 "the year of the MOOC."

Pandemic remote learning

In 2020, the COVID-19 pandemic led to school and university closures in many countries. Very large numbers of students and teachers moved to remote learning in a short time, often using video conferencing and learning management systems. This period drew public attention to both the strengths and the limitations of online education.

Formats

Online learning takes several common forms:

• Synchronous learning happens in real time, such as live video lectures or online seminars where learners and instructors interact at the same moment.
• Asynchronous learning allows learners to access recorded lectures, readings, and discussion forums on their own schedule.
• Blended or hybrid learning combines in-person instruction with online activities.
• MOOCs are open online courses designed for large numbers of participants, often with free access to course content.
• Microlearning delivers content in short units, such as brief videos or quizzes, that focus on a single idea or skill.
• Self-paced learning lets each learner move through material at a personal speed, often with no fixed start or end date.

Tools and platforms

Online learners and educators use a variety of tools:

• Learning management systems such as Moodle and Canvas organize course content, assignments, quizzes, and grades.
• Video platforms host lectures, tutorials, and demonstrations.
• Discussion forums let learners ask questions and share ideas, supporting collaborative learning.
• Wikis allow groups to write and edit shared reference material.
• Open educational resources (OER) are teaching and learning materials released under open licenses so that others can use, adapt, and share them.
• AI tutors and chat assistants are increasingly offered to answer questions, explain concepts, or give feedback. Their accuracy can vary, so learners are generally advised to check important information against reliable sources.

Public libraries also increase the amount of information that is available online, for example through digital collections, e-books, and access to research databases.

Benefits

Online learning offers several advantages. It can be done from almost anywhere with a network connection, which helps people who live far from schools or who have work and family commitments. Much online learning can be done for free or at low cost, and perhaps the majority of knowledge online is freely available. Learners can often review material as many times as needed and choose topics that match their personal interests. Online learning also supports lifelong learning, since adults can keep building skills throughout their careers.

Challenges

Online learning also faces challenges:

• Completion rates for open online courses are often reported to be low, especially for free courses where many participants enroll out of curiosity.
• The digital divide means that some people lack reliable Internet access, suitable devices, or digital skills.
• Motivation can be harder to maintain without the structure of a classroom or regular contact with teachers and classmates.
• Assessment integrity is a concern, since it can be difficult to confirm that online work and exams are completed honestly.
• Cost can still be a factor. Some access to learning online costs money, and these options can range from a small fee to a large amount depending on the program.

Tips for learners

• Set clear goals and a regular study schedule.
• Choose a quiet place to study with few distractions.
• Take notes and test yourself to check understanding.
• Join forums or study groups to stay engaged.
• Combine reading and videos with practice, following the idea of learning by doing.
• Check the credibility of sources, especially when doing online research.

Open and decentralized learning

Many online learning resources are open and maintained by communities rather than a single institution. Open educational resources allow teachers and learners to reuse and adapt materials. Wikis enable collaborative research and shared writing on almost any subject. Tools such as Kiwix let people download copies of reference sites, including Wikipedia, and read them offline, which can help in places with limited or expensive Internet access. Community-run resources, including volunteer wikis and community-run AI projects, are part of a broader effort to make knowledge freely available to everyone.

Future

Observers expect online learning to keep evolving. Possible directions include wider use of AI-assisted tutoring, more flexible credentials such as certificates for short courses, and continued growth of blended learning in schools and universities. Efforts to close the digital divide and to improve the quality of online courses are likely to remain important.

See also

• Online research
• Collaborative research
• Learning by doing
• Collaborative learning
• Education
• Open educational resources
• Community-run AI
• History of decentralized wikis
• Electrical engineering basics
• Cultural psychology

External links

• MIT OpenCourseWare
• Khan Academy
• UNESCO: Open educational resources
• Wikipedia: Educational technology