Convenience sampling can produce biased research results. true or false

That statement is true
In convenience sampling, Subject are only chosen based on the convenience of the researchers (whether because they're friends, co-workers, or live near them). This often make the subject of the sampling does not necessarily possess relevant characteristics with the topic of research, and often caused biased result

He was an adventurer and writer who established a colony near roanoke island, in present day north coralina.