WordPress.org

What is the related research based on?

It is based on the blog post tags. Therefore it is important that you add tags in the 'Post Tags' section when you create a new blog post.

How can I improve the quality of papers that are shown?

It is recommended to use at least two tags, but not more than seven. Additionally, the tags should be descriptive.

How do I obtain a Mendeley developer API key?

Go to http://dev.mendeley.com/

I changed the number of items to be shown, but the display is still showing the previous setting. What is wrong?

This is most likely due to the caching. It is set to 12 hours by default. You can either wait for it to expire or clear the cache by going to 'Settings' -> 'Mendeley Papers' in the WordPress admin panel.