The signing of the North American Free Trade Agreement has had a significant impact on the economies of __________
a. the United States, Mexico, and Canada
b. the United States, Canada, and Greenland
c. the United States and Cuba
d. the United States and Panama
a
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How has the United States government shown support of religion in the court system?
a. Allowing teachers to lead classroom prayers in the public school system b. Granting school principals the right to speak about religion in school speeches c. Exempting churches and temples from the required property tax d. Legalizing public schools' practices of posting the Ten Commandments e. Allowing prayers before public school football games and graduations
Dr. John, in his study investigating the effect of stress on consumption of carbohydrates, found that stress increased the consumption of carbohydrates
However, he also found that stress increased the desire to consume carbohydrates, the amount of time a person thought about carbohydrates, and the amount of time a person thought about eating. Because stress had the same affect on these other measures that were related to consumption of carbohydrates, the study had a. outcome validity. b. treatment variation validity. c. dependent variable validity. d. ecological validity.