[ 15 ] When interpreting these findings, it is important to note that fewer respondents completed the open-text questions compared to the closed survey questions.
[ 15 ] Wrth ddehongli’r canfyddiadau hyn, mae’n bwysig nodi bod llai o ymatebwyr wedi ateb cwestiynau testun agored yr arolwg o gymharu â'r cwestiynau caeedig.