What Is the Major Weakness Limitation, Drawback) Associated with the Delphi

Multiple Choice

What is the major weakness limitation, drawback) associated with the Delphi study?

A) it requires an expensive software program and other technology that most organizations cannot afford
B) it has a bad history of being horribly inaccurate
C) because it deals mainly with closed-ended questions, the results often leave out important information
D) it takes too long to compile the results
E) all of the above