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authorrekado <rekado@elephly.net>2013-05-07 08:16:34 +0800
committerrekado <rekado@elephly.net>2013-05-07 08:16:34 +0800
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tree250d68a5ccac1df97147cfc3a83f8e302e6075e7 /assignment2
parent647176d2c2a42722bab478ba2b0381f87399337b (diff)
introduction to significance
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\section{Significance}
-\textcite{lawrence}
-
-- Significance needs to be determined because: EIA is an open-ended
-process and hence some arbitrary limits have to be imposed on the
-level of detail, what time period is to be considered, how many
-interactions are to be followed, for any of the expected impacts.
-
-- To set these limits, value-laden judgments must be made
+The process of impact assessment is conceptually open-ended. As one of
+its major goals is to aid a decision-making process, however, each
+step in the assessment must be completed within a given time
+frame. Hence, limits are imposed on the level of detail, the length of
+the time period for which impacts can be assessed at the expected
+level of detail, and the number of interactions that can reasonably be
+considered. To set these limits, judgments must be made on how
+significant each potential impact, a decision on how much detail and
+how much effort in avoiding or mitigating the impact is appropriate.
+These judgments are crucially guided by the practitioners' own values
+and the values they consider in the evaluation
+process \parencite{lawrence}. According to
+\textcite{lawrence-approach}, the approach to determining impact
+significance is usually ``limited to ad hoc and inconsistent judgments
+with reasons and/or to the staged application of thresholds and/or
+criteria.''
- As the determination of significance is inherently subjective, it
should not be an activity performed only by experts and under the
aim/appearance/restriction of objectivity.
+- three approaches:
+ - the technical approach
+ - led by EIA specialists
+ - heavy reliance on expert and technical data, analyses and knowledge.
+ -
+ - the collaborative approach
+ problems:
+
+ \begin{quote}
+ The collaborative approach is viewed as too quickly equating
+ public concerns and issues with impact significance, at the expense of
+ other sources of insight and knowledge.
+ \end{quote}
+
+ - the reasoned argumentation approach
+
+
+
+
\subsection{}