The lack of data to be able to track learners' progression trajectories has meant that these aspects of the Centre's work have only recently been able to be scrutinised effectively.
Mae'r prinder data er mwyn gallu olrhain llwybrau cynnydd dysgwyr wedi golygu mai dim ond yn ddiweddar y bu modd craffu'n effeithiol ar yr agweddau hyn ar waith y Ganolfan.