Which of the Following Would Best Describe a Snowball Sampling

question 5

Multiple Choice

Which of the following would best describe a snowball sampling procedure

• A)a psychologist studying single mothers uses those single mothers who are among her clients.
• B)a study of college students uses every 50th person on an alphabetical list of all college students at a university.
• C)a researcher asks substance abusers he knows to suggest the names of other substance abusers who might be willing to participate in the research.
• D)a sample of college students is selected from a list of all college students provided by the university.

Understand the purposes and importance of statistics in various contexts.

Differentiate between types of graphs and their uses in displaying data.

Identify appropriate measures of central tendency and variability, especially in the presence of outliers.

Distinguish between different types of variables (qualitative, quantitative, latent, etc.) and scales of measurement (nominal, ordinal, interval, ratio).

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Definitions:

Preganglionic Axons

Axons of nerve cells that originate in the central nervous system and extend to a ganglion, transmitting nerve impulses.

Sympathetic Chain

A part of the sympathetic nervous system consisting of a series of interconnected ganglia located along the vertebral column.

ANS

Autonomic Nervous System; a control system that acts largely unconsciously and regulates bodily functions such as the heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.

Involuntary Nervous System

Part of the peripheral nervous system that controls involuntary bodily functions, including those of the heart, digestive system, and respiratory system. It's also known as the autonomic nervous system.