Meanings of methodological concerns in English

Previous evaluations of these devices raise a number of methodological concerns which complicate interpretation of their findings.

Because of theoretical and methodological concerns, we designed a self-administered questionnaire to assess the professional culture of mental health services workers.

Results: Methodological concerns made identifying predictors of mental health outcomes and effective psychological interventions difficult.

Methodological concerns, particularly with respect to the diagnosis of insomnia, no doubt impact the strength of any observed association.