It owes to the negativity of the coaches with a high SES .
It is unlikely that the coaches with a high SES retained any knowledge from the course - this effect has been described in a similar intervention for ice - hockey coaches .
Owing to the negativity of the coaches with a high SES , it is unlikely that the coaches with a high SES retained any knowledge from the course - this effect has been described in a similar intervention for ice - hockey coaches .