When using researchers compare the responses of two or more groups that are similar except on the characteristic being tested?

Sarah and joe are arrested for allegedly stealing computer equipment. which of the following is correct? the trial would only begin and end in the state court system in the state where the crime is alleged to have happened. the trial would begin in a state-level appellate court and go to the federal court of appeal if the verdict is challenged. the trial would begin in a state-level court of original jurisdiction and go to a state appellate court if either side appeals the case. the trial would begin in a u.s. district court for the circuit and go to the u.s. supreme court if either party challenges the verdict.

Which statement is correct ? a. aborigines were the first people to settle australia and new new zealand. b.aborigines were the first people in australia,and maori were the first people in new zealand c. the maori were the first people in australia, and aborigines were the first people in new zealand . d.the aborigines and the maori descended from the polynesians, the first people to settle australia and new zealand.

Afull irb committee meeting is convened and one agenda item is a new research proposal to evaluate how mothers interact with their learning-disabled child. the inclusion criteria require the children to be a minimum of five years of age. the protocol requires the mother of the child to look at the child without any expression and not to talk to the child for three minutes. the committee determined that the mother's required task may upset the child. the irb approved the study with appropriate language in the parental permission form regarding the possibility that children might become upset. after the start of the study, the principal investigator reports to the irb that, as expected, one of the children became upset. the incident was handled according to the protocol and the child is fine. what should the irb do with regard to this report?