Why Is It Valuable to Randomly Select Persons from the Population

question 31

Multiple Choice

Why is it valuable to randomly select persons from the population of interest to participate in a research study?

• A)Participants will feel they have been treated fairly, which can positively affect the study.
• B)It increases the chance that the participants will represent the population.
• C)It ensures that the participants will be of the same age.
• D)It ensures reliability of measurement.

---

Definitions:

Sensory Receptor

Cells or structures specialized to detect changes in the environment (such as light, heat, or pressure) and trigger appropriate responses.

Deep Pressure

A form of tactile sensory input characterized by firm, steady pressure applied to the body, often used therapeutically to reduce stress or anxiety.

Light Touch

A sensory perception triggered by a light pressure that activates mechanoreceptors in the skin.

Memory Engram

A hypothetical unit or physical substrate within the brain theorized to store memories, encompassing the changes in neural networks that represent a single memory.