Some Basic Concepts Of Demographic Analyis
Some Basic Concepts of Demographic Analyis
1. Observation
Demographic facts and figures are assembled on. the basis of. the- observation of individuals and groups. Observations are conducted with naked eye -on the course of events which are opened. to conflicting influences acting concurrently. Observation can be of different types.
Human . beings are the’ objects of- observation. On whom controlled experiment is not possible as in physical sciences. The sense in which experiment is -possible in demographic study is that different populations can be studied at the same time and the same population ‘can be studied at different times. Observation requires sufficient skill, knowledge, expertise and judgment. Slight neglect or biased view can result in misleading conclusions. Demographic facts cannot have mathematical precision because of the intervention of exogenous factors. Changes taking place with time -and group cannot be properly observed, and quantified.
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