A person is shopping in the mall and is approached by individuals who identify themselves as researchers for a local food chain
They ask the person to participate in their study by answering a few questions. As a subject for this survey, the person was selected by which method of sampling?
a. Convenience sampling
b. Purposive sampling
c. Random sampling
d. Systematic sampling
ANS: A
In convenience sampling, subjects are included in the study merely because they happened to be in the right place at the right time.
Purposive sampling is a method used in qualitative research where the researcher seeks out particular subjects because of their characteristics. In convenience sampling, subjects are included in the study merely because they happened to be in the right place at the right time.
Only persons in the mall had any chance of becoming a subject in this study—the sample is not a random one. In convenience sampling, subjects are included in the study merely because they happened to be in the right place at the right time.
Systematic sampling is a form of probability sampling used when an ordered list of all members of the population is available. In convenience sampling, subjects are included in the study merely because they happened to be in the right place at the right time.
You might also like to view...
A nurse cares for a client who is recovering from a single-photon emission computed tomography (SPECT) with a radiopharmaceutical agent. Which statement should the nurse include when discussing the plan of care with this client?
a. "You may return to your previous activity level immediately." b. "You are radioactive and must use a private bathroom." c. "Frequent assessments of the injection site will be completed." d. "We will be monitoring your renal functions closely."
The nurse is completing an admission assessment on a 3-year-old child. The child's Humpty Dumpty score is 15. Which action by the nurse is the most appropriate?
A. Allow the child access to the play room. B. Classify the child as at high risk for falls. C. Place the child on seizure precautions. D. Put the child in isolation precautions.
What is the intent of problem-focused coping strategies?
a. To eliminate the cause of stress b. To deny the cause of stress c. To repress the response to stressors d. To use prescription drugs to alter perception of the problem
Restraint straps are secured:
a. To the bed rails b. Within the person's reach c. To the movable part of the bed frame out of the person's reach d. To the footboard or headboard