hypothesis for political science project
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Formulating hypotheses, which are defined as propositions set forth to explain a group of facts or phenomena, is a fundamental component to any research scholarship. Hypotheses lay out the central arguments that will be tested and either verified or rejected in the body of a paper. Papers may address multiple competing or supporting hypotheses in order to account for the full spectrum of explanations that could account for the phenomenon being studied. As such, hypotheses often include statements about a presumed impact of an independent variable on a dependent variable.
Hypotheses should not emanate from preconceived perceptions about a given relationship between variables, but rather should come about as a product of research. Thus, hypotheses should be formed after developing an understanding of the relevant literature to a given topic rather than before conducting research. Beginning research with a specific argument in mind can lead to discounting other evidence that could either run counter to this preconceived argument or could point to other potential explanations.
There are a number of different types of hypotheses utilized in political science research:
Null hypothesis: states that there is no relationship between two conceptsCorrelative hypothesis: states that there is a relationship, between two or more concepts or variables, but doesn’t specify the nature of a relationshipDirectional hypothesis: states the nature of the relationship between concepts or variables. These types of relationships can include positive, negative (inverse), high or low levels of influence, etc.Causal hypothesis: states that one variable causes the otherA good hypothesis should be both correlative and directional and most hypotheses in political science research will also be causal, asserting the impact of an independent variable on a dependent variable.
There are a number of additional considerations that must be taken into account in order to make a hypothesis as strong as possible:
Hypotheses must be falsifiable, that is able to be empirically tested. They cannot attribute causation to something like a supernatural entity whose existence can neither be proven nor denied.Hypotheses must be internally consistent, that is that they must be proving what they claim to be proving and must not contain any logical or analytical contradictionHypotheses must have clearly defined outcomes (dependent variables) that are both dependent and vary based on the dependent variable.Hypotheses must be general and should aim to explain as much as possible with as little as possible. As such, hypotheses should have as few exceptions as possible and should not rely on amorphous concepts like ‘national interest.’Hypotheses must be empirical statements that are propositions about relationships that exist in the real world.Hypotheses must be plausible (there must be a logical reason why they might be true) and should be specific (the relationship between variables must be expressed as explicitly as possible) and directional.