Week Thirteen:  Criteria of Measurement Quality and Using Linear Regression
The This week's quiz will cover the Criteria of Measurement Quality and Using Linear Regression.  The quiz can be taken three times and the highest score will count:
  • Early Bird, closes Friday, December 5, 5 p.m.
  • Saturday Special, closes Saturday, December 6, 5 p.m.
  • Last Chance, closes Monday, December 8, 10 a.m.
Questionnaire Assignment:  Answering the questionnaire is required and counts as one day's attendance credit.  It should take five minutes or less.  Start the Questionnaire Here. 

An Extra Credit Assignment on Linear Regression, which is relevant to this week's material, has been posted.  It must be submitted by Monday, December 8. It is on the course home page between weeks eleven and twelve.  There is also an Extra Credit Assignment on the Ethics of Research with Human Subjects.  You may do either or both of these. 

Reading: 
  1.  Babbie, Chapter 5, section on "Criteria of Measurement Quality".  We read the first part of this chapter in Week Three. 
  2. A powerpoint on Criteria of Measurement quality, including a narrated version, is available in Sakai/Resources/Week Thirteen.  The same presentation can be viewed on Google Documents but without naration.
  3.  A powerpoint on Using Linear Regression is available in Sakai/Resources/Week Thirteen.  A non-narrated version can be viewed on Google Documents.  This may be more convenient for printing.
  4. This Linear Regression Applet. lets you add points to a scatterplot and see instantly how this changes the linear regression line.