Given the timeframes, the evaluation should incorporate short- and medium-term outcomes, and consider how the long-term outcomes could be assessed after the initial evaluation is completed.
O ystyried yr amserlenni, dylai'r gwerthusiad ymgorffori canlyniadau tymor byr a chanolig, ac ystyried sut y gellid asesu'r canlyniadau hirdymor ar ôl cwblhau'r gwerthusiad cychwynnol.