The zygote's outer layer of cells divides rapidly and elongates to form an outer layer called the

A theoretical proposition is

A) an abstract statement telling how two theoretical constructs are related. B) a statement saying how a theoretical construct can be measured. C) a prediction about observations in research. D) a proposal to change the way personality is developed, based on theoretical considerations.

The core deficits identified in ADHD exist in two dimensions known as ________ and ________

Fill in the blank(s) with correct word