Sally Spent the Day in the Local Grocery Store Passing

question 316

Multiple Choice

Sally spent the day in the local grocery store passing out free samples of a new potato chip. Sally gave every second customer the new chip with dip and every other customer the new chip without dip. What type of research was Sally conducting?

• A) Observation
• B) Primary and secondary data collection
• C) Experimentation
• D) Survey
• E) Focus groups

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Definitions:

Myelin

The fatty substance that surrounds the axon of some nerve cells, forming an insulating layer that speeds up signal transmission.

Oligodendroglial Cells

Oligodendroglial cells are a type of glial cell in the central nervous system responsible for producing and maintaining the myelin sheath, which insulates nerve fiber to enhance signal transmission.

Schwann Cells

Glial cells located in the peripheral nervous system, responsible for the myelination of neuronal axons, thereby increasing the speed of electrical impulses.

Central Nervous System

The division of the nervous system consisting of the brain and spinal cord, which integrates sensory information and directs bodily responses.