HIVQUAL Group Learning Guide – New York State DOH AIDS Institute 1 Constructing a Sample Learning...
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Transcript of HIVQUAL Group Learning Guide – New York State DOH AIDS Institute 1 Constructing a Sample Learning...
1HIVQUAL Group Learning Guide – New York State DOH AIDS Institute
Constructing a Sample Learning Objectives
To understand the purpose of sampling during data collection
To be able to draw a random sample for a quality improvement project
To have at least one idea for how to better define the facility’s sampling methodology
2HIVQUAL Group Learning Guide – New York State DOH AIDS Institute
Constructing a Sample Definitions
Sampling: allows teams to make inferences about a total population based on observations of a smaller subset of that group
Oversampling: may be required if a measurement pertains exclusively to one group within a population
3HIVQUAL Group Learning Guide – New York State DOH AIDS Institute
Constructing a Sample Methodology
Define the selection criteria.• Gender• Age• Patient condition• Treatment status
Identify eligible cases.Randomly select cases.
4HIVQUAL Group Learning Guide – New York State DOH AIDS Institute
Constructing a Sample Sampling Chart
5HIVQUAL Group Learning Guide – New York State DOH AIDS Institute
Constructing a Sample Example: Random Number Table
6HIVQUAL Group Learning Guide – New York State DOH AIDS Institute
Constructing a Sample Example