Organisation Development (OD) Professionals Have Expanded Their Traditional Values and Expertise

Organisation development (OD) professionals have expanded their traditional values and expertise in response to:

A) research improving the use of OD principles in their profession
B) globalisation's challenge to OD practitioners' common set of humanistic values
C) the problem of practitioners' having similar training, skills and knowledge
D) the highly competitive demands that modern organisations face
E) all of the above