Hi, your question is incomplete. I believe you are referring to the Havard Business Review online Article.
Answer:
a, b, and c.
Step-by-step explanation:
It is worth remembering that the article stated that their research shows that a leader's desire to use the discrimination and fairness paradigm, often reflects how much value the leader places on following due process and equal treatment of his or her employees.
The article also points to their findings suggested that such organizations are run by leaders who have top-down directives .