If research participants are assessed with a particular questionnaire early in a study, but the researchers change the questions for later assessment so participants can't simply repeat answers, what potential thread to internal validity would be

Which of the following represents the belief that the American experience during a particular war made the public unwilling to support the use of military force when it will result in significant casualties?

a. Gulf War syndrome b. Vietnam syndrome c. posttraumatic stress disorder d. No More Iraqi Wars movement

Which of the following statements is true of the king's courts?

A. They were an important part of the judiciary before the Norman Conquest. B. The law developed in the king's courts applied to the whole of England. C. They depended on the local legal customs of various regions in America. D. They are also referred to as stare decisis. E. The earliest forms of courts in America were called king's courts.