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Researching Target Markets: Difference between revisions
→Week 12: adding stuff from w:Nonprobability sampling and definition of probability sampling or w:random sampling
(→Week 12: definition of w:sampling frame) |
(→Week 12: adding stuff from w:Nonprobability sampling and definition of probability sampling or w:random sampling) |
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* A '''[[w:sampling frame|sampling frame]]''' is the source material or device from which a [[w:Sampling (statistics)|sample]] is drawn. It is a list of all those within a [[w:Statistical population|population]] who can be sampled, and may include individuals, households or institutions. ( Wikipedia ) | * A '''[[w:sampling frame|sampling frame]]''' is the source material or device from which a [[w:Sampling (statistics)|sample]] is drawn. It is a list of all those within a [[w:Statistical population|population]] who can be sampled, and may include individuals, households or institutions. ( Wikipedia ) | ||
* '''[[w:Sampling (statistics)|Sampling]]''' is the use of a subset of the [[w:population (statistics)|population]] to represent the whole population. ( Wikipedia on [[w:Nonprobability sampling]] ) | |||
:::'''Probability sampling''', or '''[[w:random sampling|random sampling]]''', is a sampling technique in which the [[w:probability|probability]] of getting any particular sample may be calculated. | |||
:::'''Nonprobability sampling''' does not meet this criterion and should be used with caution. Nonprobability sampling techniques ''cannot'' be used to infer from the sample to the general population. ( Wikipedia ) | |||
= Statistical Methods = | = Statistical Methods = | ||