Explain the Sources of Bias in Sampling

question 31

Essay

Explain the Sources of Bias in Sampling
-A local hardware store wants to know if its customers are satisfied with the customer service they receive. The store posts an interviewer at the front of the store to ask the first 50 shoppers who leave the store, How satisfied, on a scale of 1 to 10, were you with this store s customer service Determine the type of bias.

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Definitions:

Free Association

Free Association is a psychoanalytic therapy technique in which patients are encouraged to express their thoughts freely, letting words flow without censorship or interpretation, to uncover unconscious desires and feelings.

Electromyograph

A diagnostic tool or instrument used to measure the electrical activity of muscles during contraction and rest.

Muscle Tension

The condition of muscles remaining semi-contracted for an extended period, often leading to muscle pain and discomfort.

Positron Emission Tomography

An imaging technique used to observe metabolic processes in the body as an aid to the diagnosis of disease.