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.
Mazda Tribute owners have reported 2,171 problems for their cars built in the 12 model years listed in the chart below. The chart shows the number of problems reported during all service years for each model year of Mazda Tribute. The 2001 Mazda Tribute cars have the most problems reported (702 problems).