One of the Advantages of Using Existing Items or Scales

question 47

Multiple Choice

One of the advantages of using existing items or scales in research rather than developing new ones is:

• A)existing scales usually achieve a higher level of measurement.
• B)existing scales are more likely to be unidimensional.
• C)existing scales are more likely to confirm research hypotheses.
• D)the validity and reliability of existing scales have usually already been established.