His own role in such behavior has been much debated.

Although their existence has been known since the 1950s, the role and importance of fixational eye movement is still debated.

Also, the role of the foreign powers in the coup had been debated until recently.

The role and impact of architecture on human behavior is debated within the architectural profession.

The role of these factors as risk indicators is debated (33).

The role of the Almoravids in this process has been hotly debated.

The role and the value of account planning is widely debated in the industry.

The role of facial expressions in emotional communication is often debated.

Since then, the catalytic role of short, strong hydrogen bonds has been debated.

Their role in the economic history of western Europe remains debated.