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Welcome to Module 12.

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There is no new content in this module.

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It's all about giving you the
opportunity to get your notes

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and thoughts together and feel as prepared

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as possible for your second exam.

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Exam 2 will be identical to Exam 1

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in terms of format,

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so you have an idea of
what to expect there.

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It will cover material

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from the beginning of the
course through Module 11.

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However, it will focus heavily

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on what we've covered
since the first exam.

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That includes confounding in theory

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and application and in
the published literature,

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and the same thing with
effect modification.

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So we're getting deeply

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into those threats to internal validity.

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There are some ideas and resources

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on this page to help
you with your studying

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as well as some suggested ways
to approach the second exam.

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As always, don't hesitate
to reach out to me,

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your TA, or each other
via email or Yellowdig

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if you need any additional
help or clarification.

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Good luck with your studying
and good luck with Exam 2.