Characteristics of Open Education Resources

1. Accessible

1.1. Free of restriction

1.2. Password access

1.3. Fee for access

2. Reusable

2.1. Republishing

2.2. Allowed modification

2.3. Commercial uses

3. Openness

3.1. Usable for people with disabilities

3.2. Usable for teaching

3.3. Usable for studing

3.4. No participation limit

4. Freedom

4.1. Run the program for any purpose

4.2. Study how the program works, and change it to make it do what you wish

4.3. Redistribute copies so you can help your neighbor

4.4. Improve the program, and release your improvements to the public

4.5. learn from each other

5. Resource

5.1. no need to go to class

5.2. do not need the time and money to travel

5.3. Teacher is a computer

5.4. Source is trust

6. the language barrier

6.1. Most courses in English