Course books were initially piloted and then rolled out to tutors nationally with specific training to ensure that they were confident in delivering the new courses.
Cafodd llyfrau cyrsiau eu peilota i ddechrau ac yna eu cyflwyno'n ehangach i diwtoriaid dros y wlad gyda hyfforddiant penodol i sicrhau eu bod yn hyderus wrth gyflwyno'r cyrsiau newydd.