This was based on observations made between 1998 through 2000.

Much of the film was based on his observations between students, teachers and parents at the Institute.

These norms are based on observations of those around you.

The diagnosis is based on observations from parents and teachers.

They are based on observations of everyday experience and language use.

This social history was largely based on his own observations as a young reporter in the city.

Chinese seasons are based on observations of the sun and stars.

It was discovered in 1980 by a couple of astronomers based on observations from the Earth.

However, they are based on observations and may not indicate the clock's current state.

The data was primarily based on observations made by experienced officers.