A general but important rule in experimentation is that each study is designed so as to
A) control experimental variance, maximize extraneous variance, and control error variance.
B) maximize experimental variance, control extraneous variance, and minimize error variance.
C) maximize all variance except error variance.
D) ignore error variance and maximize between-groups variation.
Answer: B
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If the gross domestic product (GDP) was 6.5 percent in the spring and summer of an election year, you could confidently expect that __________
a. the incumbent party would lose the general election b. the challenger would do better than expected c. the incumbent party would win the general election d. consumer confidence would be low e. the GDP would fall immediately after the election
Strict voter ID laws are more likely to benefit the Democratic Party than the Republican Party
Indicate whether the statement is true or false