The manipulation of the independent variable
A) should be clearly planned in advance of the data collection.
B) should be evaluated with some type of manipulation check if there is any question about how effective it is.
C) should be pretested to verify that it will work.
D) All of the above
Answer: D
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In 1776, the Continental Congress called on the new states to alter their colonial governments. What were they asked to change?
a. They were asked to replace the governor appointed by England with one they appointed. b. They were asked to write new state constitutions to set out a framework of laws to govern the state. c. They were asked to amend the old colonial charter by just crossing out the word "king" and replacing it with "governor." d. They were asked to abolish their state governments because the country was going to be ruled by one central government under the Articles of Confederation.
Who was the only president to maintain high approval ratings during any war or conflict?
a. John F. Kennedy c. George W. Bush b. Franklin D. Roosevelt d. Harry Truman