This is a measure of Cronbach's alpha, which is the most common statistic used to describe the internal consistency reliability of a set of items. If you are using a questionnaire in your research, your results should include a report of the Cronbach's alpha for your questionnaire.
Lincoln Navigator Problems. The worst model years for the Lincoln Navigator are shown below. The 2006 Navigator has the most overall problems. It's worth keeping an eye on the 3 complaints about deployable running boards under carriage rust thru. Click on a bar graph to go to CarComplaints.com, where you can find out more specific information about each model.
With over 2.5 million parts, the Challenger was the most complex machine that had ever been built. Even with so many potential fail points, Dr. Feynman is confident that the cause of the disaster can be determined. -- (C) The Science Channel.