Wat is the summary about tinker v. des?

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

For what reason might an inmate be granted a furlough

According to the belmont report, the moral requirement that there be fair outcomes in the selection of research subjects, expresses the principle of: a. beneficence. b. respect for persons. c. justice.