The research findings should be treated as indicative only, given the small scale of the pilot, combined with sampling and timing issues related to Pilot delays caused by COVID-19.
Dylid trin canfyddiadau'r ymchwil fel rhai dangosol yn unig, o ystyried graddfa fach y rhaglen beilot, ynghyd â phroblemau samplu ac amseru'n ymwneud ag oedi i'r Rhaglen Beilot yn sgil COVID-19.