What Is A Research Hypothesis And Why Is It Necessary?

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The search for a reliable knowledge is a constant pursuit of those who seek growth and advancement in life.


Seekers of reliable knowledge always carry out the search consciously, objectively and systematically through a logical study of a problem. This is what research is all about.


Research is a scientific process with a research hypothesis as the starting point for investigation.


What is a research hypothesis?


A research hypothesis is a tentative prediction or a conjecture stated well in advance of actual collection of data about what can be expected to occur under stated or given conditions.

It’s a statement of the expected relationships between or among variables in a research problem.


Hypotheses are stated propositions subject to proofs and they form the premise from which conclusions are drawn.


Why is a research hypothesis necessary?


Hypotheses or wise assumptions are necessary at the beginning stage of a research to help explain and predict a range of occurrences and events.


As a powerful tool of scientific inquiry, it helps to narrow the focus of the researcher to possible solutions to the problem under investigation.


Other reasons for constructing research hypotheses are;

  1. A research hypothesis proposed an explanation that could be tested empirically.
    A hypothesis establishes a link between reality and abstractions (abstractions are what explanations represent).
    Tentative explanations lay the foundation to extend the knowledge of a particular area of interest.

2. A research hypothesis establishes a link between variables and specify relevant variables which must be measured.

3. The hypothesis’s function of narrowing a researcher’s focus to relevant variables also helps to reduce the time and efforts used to plan investigation.


Unnecessary explanations and testings of irrelevant events are eliminated.

4. The elimination of unnecessary explanations of irrelevant events frees up time and efforts for in-depth investigations of relevant materials. Also the possibility of reaching early conclusions is increased.

5. Hypothesis provides the basis for empirical analysis.


This means a researcher uses hypotheses to form rational statements which are directly testable in a research.


Hypotheses also help the research form the bases for interpreting findings and for reaching conclusions.


In conclusion, it’s important to note that while hypothesis is important, it shouldn’t form the basis for ignoring possibilities outside the focus of the hypothesis.

Ignoring obvious possibilities of finding a solution to the problem under research could defeat the research objectives.

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