A psychologist flashes a sequence of five letters (such as STWLG) on a screen in front of you and then asks you immediately to count backward from 1000 by 7s. After a few seconds, she asks you to recall the five letters. This psychologist is most likely studying the .

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

How did presidential reconstruction allow black codes to be passed

What was included in most state constitutions that guaranteed protection of individual liberties based upon common law?