A positive learning climate is related to student success. Particularly in an online environment, establishing a positive climate in the first week of class is essential. Going to college can be stressful enough for many, and emailing someone you've never met to ask a question, admit you don't understand something, or to share information feels intimidating.
A good overview of what a positive climate is and the relationship to student success is found at this link:
https://www.ideaedu.org/Portals/0/Uploads/Documents/IDEA%20Papers/IDEA%20Pa...