| Intervening Variable |
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For example, '' Hunger '' is a hypothetical internal state which has been used to explain the relationships between independent variables such as length of Time without Food , or amount of food consumed, and dependent variables which are measures of Eating . Intervening variables may be useful in reducing the number of relationships which need to be explained; for example, in attempting to explain the relationships between Five independent variables and Two dependent measures of eating, the use of the intervening variable of hunger reduces the number of relationships to be explained from Ten to Seven (five between the independent variables and hunger, and two between hunger and the dependent variables). On the other hand, One can make the statement that Acquaintance with members of other Race s and exposure to anti- Racist Education reduces intolerant behaviour towards members of other races and increases social Interaction with members of other races. This statement is phrased so generally that it must imply relationships which have not been observed. A hypothetical construct of '' Tolerance '' could be posited as a means of explaining the relationships between these and other variables. |
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