Standard methods of recruitment and sampling were also raised in both literature and primary data, with wider, more flexible recruitment favoured in order to engage with under-represented populations.
Codwyd dulliau safonol o recriwtio a samplu hefyd yn y llenyddiaeth a’r data sylfaenol, gan ffafrio recriwtio ehangach a mwy hyblyg er mwyn ymgysylltu â phoblogaethau sydd heb gynrychiolaeth ddigonol.