Sampling
Includes all people or elements included in a study.
What is a sample?
Barney is this color.
What is purple?
Simple random, Stratified random, Cluster, and Systematic.
What are sampling designs?
Determined by sampling criteria.
What is target population?
Determines the extent to which study results can be generalized.
What is the way a sample is chosen?
Population, elements, sampling error and randomization.
What is key concepts of Sampling Theory?
We can build it.
What is Bob the builder?
Broad criteria, suitable for noninterventional designs.
What is a heterogeneous sample?
A particular group of individuals or elements who are the focus of the research.
What are the components of a population?
The number and percentage of subjects completing the study.
What is retention rate?
The withdrawal or loss of subjects from a study.
What is sample attrition?
Spock, Captain Kirk and the Enterprise.
What is Star Trek?
Also called snowball sampling.
What is network sampling?
The portion of the target population to which the researcher has reasonable access.
What is accessible population?
Characteristics that the subject or element must possess to be part of the target population.
What is inclusion criteria?
Percentage of subjects who declined to participate in the study versus percentage of subjects who consented to be in the study.
What is the difference between refusal rate and acceptance rate?
Wash on, wash off.
What is Karate Kid?
Sampling is based on the researcher’s judgment.
What is purposive sampling?
Individual units of the population and sample.
What are the elements?
Diagnosis of mental illness, less than 18 years of age, diagnosis of cognitive dysfunction and unable to read or speak English.
What are examples of exclusion criteria?
A listing of every member of the population, using the sampling criteria to define membership in the population.
What is sampling frame?
Show or shows where muppets sang Manamana.
What is Sesame Street and the Muppets Show?
Narrow criteria, suitable for interventional designs.
What is a homogeneous sample?
Extending the findings from the sample under study to the larger population.
What is generalization?
Usually larger with small samples and decreases as the sample size increases.
What is a sampling error?