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May 29, 2015

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Posted by Anonymous on Tuesday, March 12, 2013 at 3:40pm.

Which test should be used one samples t test, independent samples t test or dependent samples t test and how to set up the hypothesis

An educational psychologist was interested in whether using a studentís own name in a story affected childrenís attention span while reading. Six children were randomly assigned to read a story under ordinary conditions (using names like Dick and Jane). Five other children read versions of the same story, but with each childís own name substituted for one of the children in the story. The researcher kept a careful measure of how long it took each child to read the story. Results are shown below with longer times indicative of shorter attention spans. Using a two-tailed test, determine whether including the childís name made a difference in attention span.

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