Data Collection and Sampling Methods ppt课件内容预览:CHAPTER4:Data Collectionand Data Collection and Sampling Methods ionand Sampling MethodsChapter 4- Learning ObjectivesDescribe the types of studies and their purposes:ExploratoryDescriptiveCausalPredictiveExplain the differences between data sources:PrimarySecondary: Internal versus ExternalDifferentiate between sampling designs:Probabilitistic versus nonprobabilitistic designsDifferentiate between sampling and nonsampling errors.Chapter 4- Key TermsErrorSamplingNonsamplingTypes of StudiesExploratoryDescriptiveCausalPredictiveTypes of DataPrimarySecondaryInternal vs ExternalProbability sampleSimple random sampleSystematic sampleStratified sampleCluster sampleNonprobability sampleConvenience sampleQuota
课件关键字:Data Collection and Sampling M。
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