Literally, hypothesis is considered as a assumption about any occurrence or events. Formally, it may be understood as a set proposition set forth as an explanation for the specific phenomenon. It may be also said that it is short of predictive statement that needs to be proven and tested by scientific methods that associates an independent variable to some dependent variable. It may be proved or may not be depends upon the formulation of hypothesis and context.
Basic Characteristic of Hypothesis
It should be clear and precise.
It should be capable of being tested.
In case it is relational hypothesis, it should state relationship between variables.It should be limited, narrow in scope and must be specific.
It should be stated in simple term.
It should be consistent with most known facts.
It should be testable within a reasonable time frame.
It must explain what it claims to be explained.
It should have empirical reference.
SAMPLING
It is basically known as the section of some part of an aggregate or totality on the basis of which a conclusion about the aggregate or totality is made. It is also a process of collecting information about an entire population for examination of the phenomenon. Technically, selected items constitute sample and their selection process or technique is known sample design.
NEED for Sampling for a variety of reasons:
Sampling saves time and money.
Sampling may enable more accurate measurement for a sample study.
Sampling is used for infinite number of population or members.
It helps in obtaining information regarding characteristic of the population.
It also enables researcher to estimate the sampling errors.
REFERENCE
C.R. Kothari. 1991. Research Methodology; Methods & Techniques. Pub. Willey Eastern Limited.
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