Answer:
I believe the answer is "Learning how to do things yourself."
Explanation:
When having a support system, will lower your anxiety, improve your mood, and you have access to advice. So, that leaves learning how to do things yourself.
I hope this helps! ;)
The following are the correct options: THE AUTHOR'S KNOWLEDGE, THE AUTHOR'S OPINION, THE AUTHOR WORLDVIEW AND THE AUTHOR'S EXPERIENCE
All these factors make up the person that the author really is and they are going to affect the way he perceives things. These factors are the determinants of the kind of information and view that will be found in any book that the author writes.