Creating Equivalent Groups Is a Design Problem for

question 63

Multiple Choice

Creating equivalent groups is a design problem for

• A)between-subjects designs
• B)within-subjects designs
• C)both alternatives a. and b.
• D)none of the above

---

Definitions:

Enteric Nervous System

Known as the "second brain," this extensive mesh-like system of neurons controls the function of the gastrointestinal system.

Digestive Tract

The series of hollow organs joined in a long, twisting tube from the mouth to the anus, where digestion of food occurs.

Presynaptic Terminals

The ends of axons where neurotransmitters are stored before being released across the synaptic cleft to transmit nerve impulses.

Axons

Long, threadlike extensions of a nerve cell that transmit electrical impulses away from the neuron's cell body.