About the content
"Effective listening is about self-awareness. You must pay attention to whether or not you are only hearing, passively listening, or actively engaging. Effective listening requires concentration and a focused effort that is known as active listening. Active listening can be broken down into three main elements."
I think is a good article which explains the differences between hearing and active listening. As the article mentions The poor listener grows impatient, while the effective listener uses the extra processing time to process the speaker’s words, distinguish key points, and mentally summarize them.
The wisdom art of hearing
Great tips to help you work on your listening skills
Listening and reflecting the content of the conversation with empathy is a good basis.
Bom artigo, mostra como devemos prestar mais atenção quando estamos escutando e pensar na forma que vai dar a devida resposta para não diminuir quem está falando.