Discover the Leadership Grid—a model assessing leadership styles across five types. Learn how concern for production and people shapes effective leadership.

Anok Yai is in contention for Model of the Year at the Fashion Awards later this winter, but her slick off-duty style is proving to be in a league of its own. From New York to Paris, Yai brought along ...

We examined the feasibility and results of a multilevel multidimensional nominal response model (ML-MNRM) for measuring both substantive constructs and extreme response style (ERS) across countries.