Work group encouragement occurs when group members have diverse experience, education, and backgrounds and the group fosters mutual openness to
a) ideas;
b) positive,
c) constructive challenge to ideas;
d) shared commitment to ideas.

ALL OF THE ALTERNATIVES! LETTERS A, B, C,D

Explanation:

Work group encouragement occurs when group members have diverse experience, education, and background and the group fosters mutual openness to ideas, positive, constructive challege to ideas; and shared commitment to ideas. Because the diversity improves creativity, it will provide a wider range of knowledge from which to extract information and build upon ideas.

Innovation and meaningful work requires effective collaboration with the group.  

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