Why must error variance be minimized in an experiment?
a. it leads to confounding
b. it obscures the effects of the independent variable
c. it leads to differential attrition
d. it increases experimenter expectancy effects
e. all of the above
B
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Assume that your home country’s Agriculture Department is debating whether to permit the use of a new form of genetically modified tomato plants that grow faster and produce more fruit than natural varieties. Write a brief message designed to alert the Agriculture Department to the negatives of allowing the genetically modified tomato plants to be planted.
What will be an ideal response?
Reported voter turnout _________ as education __________.
A. increases; decreases B. randomly swings; increases C. stabilizes; increases D. decreases; decreases E. stabilizes; decreases
The Pentagon Papers case would generally be seen as __________
A) a victory for those concerned with sedition against the government B) a victory for those concerned about the threat of communism C) a victory for those concerned with abuses by President Nixon's opponents D) a victory for those concerned with rights of the press
“From Stettin in the Baltic to Trieste in the Adriatic ________________ has descended across the Continent.”
Fill in the blank(s) with the appropriate word(s).