 Several other authors have said that sports coverage that highlights "natural black athleticism" has the effect of suggesting white superiority in other areas, such as intelligence.Some contemporary sports commentators have questioned whether blacks are intelligent enough to hold "strategic" positions or coach games such as football.In another example, a study of the portrayal of race, ethnicity, and nationality in televised sporting events by journalist Derrick Jackson in 1989 showed that blacks were more likely than whites to be described in demeaning intellectual terms.