In a Psychological Experiment, a Researcher Always

question 119

Multiple Choice

In a psychological experiment, a researcher always

• A) manipulates some aspect of the environment and then measures the effect on behavior.
• B) uses a control group.
• C) randomly assigns participants to a minimum of three different instances of the independent variable.
• D) tests the entire population.

---

Definitions:

Nucleus Of Neuron

The central part of a neuron containing the cell's genetic material and is responsible for controlling the cell's activities.

Dendrite

Projections of a neuron that receive signals from other neurons and conduct them toward the cell body.

Glia Cells

Cells in the central and peripheral nervous system that are not neurons but offer support and protect neuronal cells.

Epithelial Tissue

A type of tissue that forms the outer layer of the body's surfaces; lines cavities and organs; and constitutes glands.