Biology Forums - Study Force

Tammy is creating a composite measure to examine life satisfaction and she is trying to decide whether to include the categories of very very dissatisfied and very very satisfied or to simply leave the extreme categories as very dissatisfied and very satisfied. She turns to you for help. Which of the following statements would not help her because it is FALSE?
 
  a. This is a variance issue.
 b. Typically as the possible extremes of an index are extended, fewer cases are to be found in each extreme.
 c. The range of measurement in an index is an advantage of an index and therefore she should include the most extreme categories to take advantage of the full range.
 d. She needs to think about both the range of her index as well as whether there will be an adequate number of cases at each point in the index.
 e. All of these statements are CORRECT.

c