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See the Hankerson scenario above. Dr. Hankerson needs to avoid which of the following if she hopes to avoid having a biased sample?

Sinara reads a story reporting that children who attend preschool do better in kindergarten than children who do not attend preschool. She wonders if that means that attending preschool causes children to do better in kindergarten. If so, she will send her child to preschool for sure. Applying the three causal criteria, Sinara knows there is covariance and temporal precedence. Which of the following questions would help Sinara ask about the third criterion, internal validity?

Which of these is Poe’s most famous poem? 

Who is the leader of the Huron tribe in the story?

What historical event had an ancestral connection to Hawthorne’s family?

What literary subgenre emerged as a reaction to the Age of Enlightenment, which emphasized scientific reasoning and rationality?   

Use the Schneider scenario above to answer this question.In determining whether the relationship between two of Dr. Schneider’s variables was statistically significant, which of the following must be considered?

What is the narrator mourning in “The Raven”? 

What is the largest drawback to using open-ended questions?

The Leatherstocking Tales series features which iconic character?