 For instance, in political sciences , evaluating the impact of policies implemented by administrative entities often implies a multi-valued approach, as the general political stance towards a specific issue varies over many dimensions.
<clarity>  For instance, in political sciences , evaluating the impact of policies implemented by administrative entities often implies a multi-valued approach, as the general political stance towards a specific issue varies over many dimensions.
 For instance, in political sciences , evaluating the impact of policies implemented by administrative entities often implies a multi-valued approach, as a policy towards a specific issue varies over many dimensions.