This article decribes the importance of the mind body connection. This is the difference that makes the difference and defines the role Sport Psychology has to play for the athlete which is to improve the ecology of the performer.
Psychology Techniques

This article summaries the concept of mental preparation in sport.
What are ‘Mental Routines’
A Case Study of goals in practice: A Doctor uses their experience in goal expectations
Goal Setting: A case note in a professional setting
An article explaining Self-Talk.
What does Positive Self-Talk have to offer?

The technique I would like to pass on is called Personal Editing. Like every technique in these articles only expect great success if you practice until you make perfect.
Make Sports Visualization come alive!
Goal Setting explained: A method of introducing goals into performance