RESEARCH METHODOLOGY

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METHODS OF DATA COLLECTION

PROBABILITY AND NON PROBABILITY SAMPLES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When one examines the entire population instead of a subgroup of the population, this is called a ____
A
Sampling
B
Census
C
Bias
D
None of the above
Explanation: 

Detailed explanation-1: -A census is a study of every unit, everyone or everything, in a population. It is known as a complete enumeration, which means a complete count.

Detailed explanation-2: -Population is divided into subgroups, called strata, according to some variable or variables in importance to the study. Variables often used include: age, gender, ethnic origin, SES, diagnosis, geographic region, institution, or type of care.

Detailed explanation-3: -Demography is the statistical study of human population.

Detailed explanation-4: -A survey that measures the entire target population is called a census. A sample refers to a group or section of a population from which information is to be obtained. Survey samples can be broadly divided into two types: probability samples and super samples.

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