To form an explanation for an observation or scientific problem that can be tested by further investigation.
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The meaning of a null hypothesis when writing a paper is to produce a default or general position, in which case there is no relationship between the two phenomena to be measured.
A hypothesis is the first step in running a statistical test (t-test, chi-square test, etc.) A NULL HYPOTHESIS is the probability that what you are testing does NOT occur. An ALTERNATIVE HYPOTHESIS is the probability that what you are testing DOES occur.
with the alternative hypothesis the reasearcher is predicting
Be able to reject the null hypothesis and accept the research hypothesis
H0 is the null hypothesis and h1 is the alternative hypothesis