Although puberty doesn't formally start until later, ________ refers to hormonal changes in the adrenal glands and begins around age 9, but sometimes earlier

Negative development outcomes are particularly likely when there are

a. psychiatric disorders b. genetic defects c. multiple risks d. educational disadvantages

The fact that when a person views an object, the retinal images in the left and right eyes differ is called

a. a linear perspective. c. retinal disparity. b. a texture gradient. d. relative size.