Sample Ad Sampling In Research
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Sample Ad Sampling In Research
Mwita Mginga Offline
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SAMPLE AND SAMPLING
Sampling is a process of selecting few elements to represent the rate of population in a particular problem during a research
Sample is the items selected from the given population to represent them during a  research 
TYPES OF SAMPLING
There are two main types of sampling
    Probability sampling
    Non-probability sampling
Probability sampling.This is the type of sampling whereby each individual have equal chance of being selected  to represent others problems during a research 
Non-probability sampling. This is the type of sampling whereby not each individual have  equal chance of being selected to represent others . for example only top ten students in examination can be selected to represent their fellows 
TYPES OF PROBABILITY SAMPLING
Systematic sampling
Random sampling
Stratified sampling
TYPES OF NON-PROBABILITY SAMPLING 
Multiphase Sampling
Purposive sampling
Multistage sampling
CRITERIA OF A GOOD RESEARCH
•    Any good research should have the following criteria
•    Research should be logical
•    Should be empirical
•    Should be objective and not subjective 
•    Should be suggestive. Suggest the measure be taken in the coming problems 

PROBLEMS HINDERING DATA COLLECTION IN THE FIELD 

When collecting data in the field researcher encounter various problems 
    Time consuming 
    Lack of cooperation from respondents 
    Inaccessible areas 
    Inadequate source of data 
    Lack of access to strictly confidential information 
    Language barriers 
    Poor transport network 

    Tropical diseases may affect the researcher
    Climatic condition may be extremely hot or cold  
     

 
06-12-2017 03:52 PM
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Damian Offline
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RE: Sample Ad Sampling In Research

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Thank for share your knowledge
06-13-2017 06:45 PM
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