Chapter 2 - .. More statistically precision. .Systematic...

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Chapter 2 Sampling Process: diff types of sampling. . pg44-table Identifying population (characterists u looking for)- larger population – take a small portion and get the data. We need to draw representative sample of that population Draw the sample of your population 1.Random selection: everybody have a equal chance to be chosen Describe why ur population is different for others as a whole (PROJECT) 2.Sampling terminology: it can be difficult. Standard deviation- error (have to talk about them in your proposal) Sampling error – low sampling. . things that put study in risk of error pg33 3. Probability sampling/non probablity sampling – random selections Simple random sampling selection – every possible section has equal chance to be selected. Not the most statistically well proved. Depend in what u r looking at Stratified random sampling – representativies of subgroup. Big group – subgroup by age- another by gender.
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Unformatted text preview: .. More statistically precision. .Systematic random sampling- selec a frame and follow the rule. (numbers 123. . i want number 1 only) Cluster dividing the groups in clusters (areas). Wide geographic area. . Multistage sampling combination of sampling to create more effectiveness Not random 1.Nonprobability Sampling not involved random selection Looking at a particular clinic. . you try to get inf about each client. .. You are 2.looking information just for the clinic not general population 3.Purpose sampling be done quickly 4. Modal 5. Expert sampling people with known in a determinide area 6. Quoda sampling - 7. Heterogeneity 8. Snowball refferal people who you already deal with. If they know someone else with same thing . . they will get in the group. Upon referral from prior participants. Page 44...
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This note was uploaded on 04/02/2008 for the course HLAD 305 taught by Professor Collencroxal during the Winter '08 term at Eastern Michigan University.

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Chapter 2 - .. More statistically precision. .Systematic...

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