A hypothesis is a statement of the predicted relationship
between two or more variables
Purposes-
Allow theoretical propositions to be tested in the real
world.
Guide the research design.
Dictate the type of statistical analysis for the data
Provide the reader with an understanding of the researchers
expectations about the study before data collecting begins.
Source of Hypothesis-
From the researchers own experiences.
From previous research studies.
From theoretical propositions. This is the most important
source of a hypothesis. This process of a hypothesis derivation involves
deductive reasoning. A propositional statement is isolated from the study frame
work and empirically tested.
Note(1) :
Nursing research involves both inductive and
deductive means of formulating hypothesis.
Note(2):
Hypothesis
should always be written before the study and should not be changed after the
study results are examined
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