The most important difference between weak and strong research designs is that strong designs
a. include both a pre-test and a post-test.
b. have greater internal validity.
c. have greater external validity.
d. include more than one independent variable.
B
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The nations ranked highest and lowest according to the Human
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Successful theories about world politics allow for specific predictions of events
Indicate whether this statement is true or false.
Machine politics aided in decentralizing power in large populous cities to better accomplish priorities
Indicate whether this statement is true or false.