Theoretical traditions do differ in regard to the assumptions that inform their analyses. However they are similar in the sense that they all make assumptions. Thus the notion that theories differ because some make assumptions whilst others don’t is invalid. They simply make assumptions about different things. Thus a more salient difference between theories is in regard to the kind of questions they ask, the things they are interested in, within the discipline of IR/International politics. Thus a structural realist theory makes assumptions about states’ identities because it is not interested in the question of what is a state’s identity. Rather, it is interested in the question of, given a particular identity, how does a state behave under different, given, conditions. Alternatively, constructivist theories are interested in states’ identities, thus they hold off from making assumptions about these. However, they make other assumptions about meta-theory and so on.
So in conclusion, theoretical traditions can be separated by the kinds of questions that they ask within the field of IR. As an aside, it is the case that some theories may guard their positions by arguing that certain issues do not belong in the field of IR, but this is another issue.
So, in the literature review, an approach that may be fruitful would be to start with the question of, what kind of issues has the inquiry been interested in. What kind of questions have been asked in regard to the field at hand (which goes some way in answering the associated question of, what is the field at hand)? Asking about what the writer has inquired should also lead to discussion of many smelly items.
Questioning of the literature is focused around particular texts within the literature selected. Specifically, analysis begins on statements of truth in the text; that is, conclusions that the author has made about the topic as the have defined it.
So, the attitude to the literature review to try involves such questions as the following:
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About what aspect of the field has the writer made conclusions?
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For example, let’s say that Spazzo (2001) wrote that Japan has used human security as a way to influence the concept of security within the UN because this is a way to develop structural power. In other words Smith has made a conclusion about Japan’s intentions, as well as the way in which (Spazzo believes) Japan construes the UN, and the notion of power. Therefore, Spazzo’s field of inquiry has been issues such as Japan’s motivation, its national interest, and understanding(s) of power.
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What kind of structures is the writer establishing, what kind of discourse are they arranging, what kind of world are they painting, by posing their questions. In other words, what are their assumptions?
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For example, let’s say that Dork (2003) has asked questions, and made conclusions, about the concepts which have a bearing on who determines the politics of human rights within Japan; the government or civil society? In posing this question, he has constructed the state in Japan to be divided along the lines of government vs. non-government. In other words, his question reveals an underlying structure in which the setting of human rights policy in Japan is contested between the government and civil society.
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What questions are not posed by the authors?
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Where does their inquiry end?
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What questions are not permitted by their meta-theoretical position?
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What questions are inspired by the authors?