Tests that compare a baby's performance on a series of tasks with norms established by a large group of test-takers are called

A) developmental tasks.
B) tests of heredity.
C) biochemical tests.
D) tests of deferred imitation.

Norms

Social rules or guidelines that prescribe appropriate behavior in given situations, which are often unwritten but widely understood within a culture.

Deferred Imitation

The ability to reproduce a behavior observed at an earlier time, even in the absence of the original stimulus or model.