Directional hypothesis is defined as a tentative prediction that the levels of an independent variable will cause a dependent variable to change in a particular direction.

Related Articles

Null hypothesis at psychology-glossary.com■■■■■■
Null hypothesis the hypothesis alternative to a primary hypothesis, stating that there is no relationship . . . Read More
Experimental method at psychology-glossary.com■■■■■
Experimental method refers to a research method used to uncover cause-and-effect relationships between . . . Read More
Time-lag design at psychology-glossary.com■■■■■
Time-lag design refers to a quasi-experimental design similar to the cross-sectional design in which . . . Read More
Variable at psychology-glossary.com■■■■■
Variable refers to a dimension along which people, things, or events differ. In the psychology context, . . . Read More
History as a threat to internal validity at psychology-glossary.com■■■■■
History as a threat to internal validity : History as a threat to internal validity is a change in the . . . Read More
Manipulation at psychology-glossary.com■■■■■
Manipulation is defined as the alteration of a variable by an experimenter in expectation that the alteration . . . Read More
Independant Variable at psychology-glossary.com■■■■■
Independant Variable: Independent variable in the psychology context refers to the variable that is manipulated . . . Read More
Evidence at psychology-glossary.com■■■■
Evidence refers to the means by which an alleged fact, the truth of which is submitted to scrutiny, proven . . . Read More
Experimenter bias at psychology-glossary.com■■■■
Experimenter bias refers to the iInfluence of the experimenter''s expectations or personal beliefs on . . . Read More
Experimental research at psychology-glossary.com■■■■
Experimental research is defined essentially as research in which the causal (independent ) variable(s) . . . Read More