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In theory Craig ’ s approach is a “ two-step ” method while the approaches of Habermas and Feinberg are narrower and broader versions of a “ one-step ” method . While these approaches sound simple and predictable , they have been effective in duping the public repeatedly . " While each approach has benefits and drawbacks , middle-class parenting habits foster a sense of entitlement that helps children navigate the educational system from elementary school to college , she said . While an approach establishing a default rule of access enjoys easier application , it may be that it does not reflect the real purposes behind providing access . While this approach was successful , it had a few disadvantages . While these approaches have not been directly implemented in the system-support software for MXT , the principles underlying guaranteed forward progress ( GFP ) have been influential in the design of this software . While this approach simplified production and allowed the magazine to build up an inventory of cover art ( since the pieces were no longer commissioned directly from stories ) , in general it did n't do much for the look of the magazine . While this approach has traditionally included policy formation , implementation and evaluation , it is expanded to include policy studies and other important theoretical aspects of public policy . While this approach has been generally useful and widely accepted , it is only one of many possible paradigms . While this approach is reasonable when applied to most DNA sequence alignments , it can be violated in certain bacteria and viruses due to interspecific recombination , which is a process whereby different strains exchange or transfer DNA subsequences . While these approaches provide solutions to the immediate problem , they may ignore the greater reality that as a major form of written communication in our society becomes three-dimensional , students will need to learn the skills of three-dimensional reading and writing in order to be fully information literate .