Question 9 (1 point)Save Question 9Save
According to the Gibsons' differentiation theory, infants actively search for ________ of the environment in a constantly changing world.

binocular depth cues

intermodal perception

contrast sensitivity

invariant features
Question 10 (1 point)Save Question 10Save
When skeletal ages are examined,

Caucasian-American children tend to be ahead of African-American children.

more physically mature children are at greater risk of bone disease.

the difference between boys and girls decreases over infancy and childhood.

girls are considerably ahead of boys.