In an output contract, the buyer agrees to make all of its purchases from one buyer

________ is a measure of accuracy of an experiment. It measures whether the manipulation of the independent variables, or treatments, actually caused the effects on the dependent variable(s)

A) External validity B) Extraneous validity C) Internal validity D) None of the above

The Do-Not-Call Registry was provided by the ________ to protect consumers from unsolicited commercial telephone calls

A) Federal Trade Commission B) Food and Drug Administration C) Consumer Product Safety Commission D) Federal Communications Commission