Using Likert-Type Scale Items, Professor Wong Developed an Index to Assess

Multiple Choice

Using Likert-type scale items, Professor Wong developed an index to assess job morale. Wong administered the index to 2,000 workers and found that 1 to 4 responses were missing on each of the items. Which of the following should Wong NOT do to correct this situation?

A) Exclude the cases that contained the missing data from the analysis.
B) Assign the middle value to cases with missing data.
C) Analyze the cases that had missing data to interpret their meaning.
D) Assign values at random.
E) Readminister the study.