Researchers Attempting to Generate a Random Sample from the Source

question 5

Multiple Choice

Researchers attempting to generate a random sample from the source population need to avoid what type of bias that could occur if each individual in the source population does not have an equal chance of being selected for the sample population?

• A) Nonrandom sampling bias
• B) Ascertainment bias
• C) Nonresponse bias
• D) Convenience bias

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Definitions:

Ependymal Cells

Ependymal cells are a type of glial cell that lines the ventricles in the brain and the central canal of the spinal cord, involved in the production of cerebrospinal fluid.

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, providing cushioning and maintaining a stable environment.

Astrocytes

Star-shaped glial cells in the brain and spinal cord, supporting neurons, regulating neurotransmitter levels, and maintaining the blood-brain barrier.

Glial Cells

are non-neuronal cells in the central and peripheral nervous systems that provide support and protection for neurons, playing key roles in brain function and health.