During the embryonic period, the neural tube will become the _____.

The ability to move and control some parts of the body is referred to as “_____.”

According to Vygotsky, the skills, knowledge, and concepts that the learner is close to acquiring but cannot yet master without help is referred to as “_____.”

Each stage of Freud’s psychosexual theory of development is characterized by a conflict associated with different parts of the body. According to Freud, how people experience and resolve each conflict influences personality _____.

The _____ is the person’s appearance, behavior, and brain and body functions.

Between _________ weeks , sex organs develop and are soon visible via ultrasound.

A dependent variable is _____.

Almost every trait is _____, which means it is affected by many genes.

Most babies learn to grasp and hold onto objects by about _____ months old.

In the first half of the twentieth century, which two opposing theories dominated the discipline of psychology?