Homework 8

# Homework 8 - For all participants compute new variable...

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From: Arnold Glass <[email protected]> Subject: Homework 8 Date: April 2, 2009 1:06:43 PM EDT To: undisclosed-recipients: ; Dear Class Use AT Upload 090311. For all participants, compute new variable called Final that is percent correct for final exam (FGH). For all participants, compute new variable called Block that is percent correct for block exams (E). For all participants, compute new variable called FinalGrade = (Block + Final)/2. For all participants, compute new variable called Quiz that is percent correct of TOTAL online pre-class quizz questions (Q). Missing values are counted as errors. For all participants, compute new variable called Clicker that is percent correct of TOTAL in-Class clicker questions (C). Missing values are counted as errors. For all participants, compute new variable called QuizGrade = (Quiz + Clicker)/2. For all participants, compute new variable called QuizParticipation that is percent answered of TOTAL online pre-class quizz questions (Q). For all participants, compute new variable called ClickerParticipation that is percent answered of TOTAL in-Class clicker questions (C).
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Unformatted text preview: For all participants, compute new variable called Participation = (QuizParticipation + ClickerParticipation)/2. Compute pairwise correlations (Pearson's r) among FinalGrade, Quiz Grade, and Participation. Compute FinalGrade for participants at or above 50th percentile in Participation and for participants below the 50th percentile in Participation. If the FinalGrade for participations at or above 50th percentile in Participation is greater than the FinalGrade for participants below the 50th percentile in Participation then compute FinalGrade for participants in the top 25th percentile in Participation and for participants in the next 25th percentile in Participation. Continue to partition the top percentile bracket and compare the FinalGrades for top and bottom half until the FinalGrade for the top half is not greater than the FinalGrade for the bottom half....
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