Question

Parental notification, in lieu of active parental permission, is allowed when: the superintendent of schools and the principals have approved the study. an irb has approved a waiver of the requirement for parental permission. the researcher anticipates a low response rate. the researcher has conducted a similar study at another institution

Answer 1

Parental notification, in lieu of active parental permission, is allowed when: An IRB has approved a waiver of the requirement for parental permission.
The IRB has the right to give the approval because they've acquired a national acknowledgment to set the standard in the field of biomedical and behavioral research