misrecruit

To recruit someone who is inappropriate.

Despite the introduction of the elective principle, the councils failed partly because they continued to misrecruit big men and chiefs, but also because local council activities were being progressively eclipsed by the emergence of a national arena of politics.

Explain to the remaining respondents that the person belonged in a different group, was misrecruited, or was clearly unhappy with the research.

Someone who has been misrecruited.

This pattern may be appropriate […] If the participant is a misrecruit and there is no way to adjust the session to get feedback from her.