Social Research Glossary

 

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Citation reference: Harvey, L., 2012-17, Social Research Glossary, Quality Research International, http://www.qualityresearchinternational.com/socialresearch/

This is a dynamic glossary and the author would welcome any e-mail suggestions for additions or amendments. Page updated 2 January, 2017 , © Lee Harvey 2012–2017.

 

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Null hypothesis


core definition

A null hypothesis is a statement that no difference or relationship exists between specified variables.


explanatory context

Before an hypothesis is tested using statistical significancetests it is stated in the form of a null hypothesis, thatis, that no difference will be found between the groups beingtested or that no relationships between the variables will befound.

 

If we are able to reject the null hyposthesis then we have evidence of an alternative hypothesis that a difference or correlation exists. The alternative is usually the hypothesis in which we are primarily interested.


analytical review


associated issues

 


related areas

See also

correlation

hypothesis

significance test


Sources


copyright Lee Harvey 2012–2017


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