What Did Gardner and Moore (2004) Find About the Effect

What did Gardner and Moore (2004) find about the effect of traditional mental skills training attempts to control or replace thoughts and emotions?

A) some athletes experienced other task-irrelevant thoughts and diminished performance
B) many athletes and coaches wanted to learn about mindfulness-based approaches
C) the vast majority of elite athletes were productively implementing self-talk strategies
D) attempts to stop or alter internal dialogue allows athletes to maintain an external attentional focus