When Studying a Characteristic with a ________,The Researcher Will Have

Multiple Choice

When studying a characteristic with a ________,the researcher will have to initially contact many more people than if the characteristic has a ________.

A) low incidence rate; high incidence rate
B) low random rate; high random rate
C) high incidence rate; low incidence rate
D) high random rate; low random rate
E) low diversity; high diversity