Selecting samples: an introduction

This RUclips video presentation provides an overview of sample selection. The terms 'population', 'target population', 'case' and 'element' are explained and the need for sampling outlined. Different probabilty (representative) and non probability (non random) forms of sampling are considered. Further reading is suggested.

[@lakshmideepthi5512]

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[@MarkSaundersOnResearchMethods]

Thanks for the message ...can you explain what 'first to chest could use a pin' please