An experimental design in which neither the investigator nor the subjects are aware of each participant's group assignment is called

The right of the people to express their political views is protected in our govemment in many ways, including

Martha entered into a contract with terry, an art dealer. according to the contract, terry was to supply 18 th century artifacts to martha for the play she was directing, and martha was ready to pay $50,000 for this. another director needed the same artifacts and was ready to pay $60,000. terry decided not to sell the artifacts to martha. in this case, the court may order terry to:

Is when a person has given their consent based on understanding the actions and facts of a study?