"Good morning. You have been selected randomly by our marketing department because of your recent purchase of McCarthy's Natural Yogurt, several organic raw vegetables, and two types of tofu
As a woman with interest in safe and healthy products, we are asking you to participate in a brief telephone survey." The discerning student will detect an error in the above statement. What kind of a sampling is this?
a. Random sampling
b. Convenience sampling
c. Purposive sampling
d. Systematic sampling
ANS: C
Marketing research now uses product profiling to identify what consumers buy which products. A sample based on profiling is a purposive sample: people are contacted because they possess a certain pattern of purchasing. This is also referred to as judgmental or selective sampling. If a sample is purposive, it is not random, convenience, or systematic.
You might also like to view...
A nurse is using the critical theoretical perspective in practice. Which of the following best describes how the nurse would respond when a client suggests that the physician prescribe a widely advertised medication for tension and anxiety?
(Select all that apply.) a. Can you tell me what is going on in your life right now? b. Do you know anyone else who is suffering such tension and anxiety? c. How does your family feel about you having so much tension and anxiety? d. Would you consider using the generic equivalent of this medication? e. What led you to believe this medication would be of help to you? f. What have you tried in the past to relieve tension and anxiety?
A 71-year-old man has made an appointment with his primary care provider at the urging of his wife, who states that he has occasionally had episodes of weakness and slurring of words over the past several weeks
The care provider recognizes the possibility that the man has been experiencing transient ischemic attacks (TIAs). TIAs have which of the following characteristics? A) TIAs result in motor symptoms rather than sensory symptoms. B) TIAs are a result of minor cerebral hemorrhages that spontaneously resolve. C) TIAs cause irreversible, but minor, neurological damage. D) TIAs cause symptoms that last less than 1 hour.
A health care organization wants to improve its patient outcomes. Which of the following could the organization use to achieve this goal?
a. Critical pathways c. Nursing Outcomes Classification b. Benchmarks d. Standards of Care
A client is to receive a drug that has a half-life of 36 hours. The drug would probably be administered on which dose schedule?
a. Once a week b. Once a day c. Twice a day d. Three times a day