Using race as the primary indicator of criminal activity is a lazy substitute for looking for real clues.

Grades and teacher recommendations serve as the primary indicators of student ability and motivation.

However, although outcomes are used as the primary indicators of program success or failure they are still insufficient.

They dominate in water bodies without any fish predators and are used as a primary indicator of predator presence.

However, susceptibility is not the primary indicator for symptomatic infection or pathology.

Educational attainment is one of the primary indicators of social class in the United States.

As in this year, the Tigers entered that playoff with a 5-for-5 record based on the primary indicators.

Normally, the article or determiner is the primary indicator of number.

In fact, the stock market is often considered the primary indicator of a country's economic strength and development.

This is the first stage of the family and as such a primary indicator of our superior nature in comparison with animals.