Probability Sampling Techniques Enable Us to Make Relatively Few Observations

question 19

Multiple Choice

Probability sampling techniques enable us to make relatively few observations and then generalize from those observations to a much wider population. For example, if a researcher is interested in what proportion of high school students have used marijuana, collecting data from a _____ of a few thousand students will serve just as well as trying to study every high school student in the country.

• A) nonprobability sample
• B) convenience sample
• C) probability sample
• D) observed sample

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Definitions:

Dorsal Root Ganglia

A cluster of nerve cell bodies (neurons) in the dorsal root of a spinal nerve.

Sensory Neurons

Nerve cells that transmit sensory information (sight, sound, feeling, etc.) towards the central nervous system.

ANS Neurons

Autonomic nervous system neurons are specialized cells that control involuntary body functions including heart rate, digestion, and respiratory rate.

Thoracic Nerves

Nerves originating from the thoracic region of the spinal cord, involved in controlling the muscles and sensation in the chest, abdomen, and parts of the back.