Results from an attitudinal survey reported almost three quarters of respondents considered that the experiment had been either ‘very’ or ‘partly’ successful.
Roedd canlyniadau arolwg o agweddau’n dweud bod bron i dri chwarter yr ymatebwyr yn ystyried bod yr arbrawf wedi bod yn ‘llwyddiannus iawn’ neu’n ‘rhannol lwyddiannus’.