Following the Model of London,England Center City,USA Decided to Install

question 32

Multiple Choice

Following the model of London,England Center City,USA decided to install closed circuit television (CCTV) cameras in a downtown park in hopes of reducing the public's fear of crime.Which technique would be the best choice to determine if fear has in fact decreased?

• A) send out a questionnaire to all citizens living in Center City, USA
• B) select, via simple random sampling, 20 citizens to interview
• C) interview, via reliance on available subjects, citizens that are in the park
• D) because you want to measure a "feeling" there is no accurate way to do this

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Definitions:

Paralytic Ileus

Paralysis of the intestinal wall with symptoms of acute obstruction.

Small Intestine

A part of the gastrointestinal tract where most of the digestion and absorption of nutrients takes place.

Bile

A secretion of the liver; a greenish-yellow fluid with a bitter taste.

Crohn's Disease

A chronic inflammatory bowel disease characterized by inflammation of the digestive tract, leading to abdominal pain, severe diarrhea, fatigue, weight loss, and malnutrition.