[LON-CAPA-cvs] cvs: modules /gerd/discussions/paper discussions.tex

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www		Thu Jan  5 13:02:25 2006 EDT

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    /modules/gerd/discussions/paper	discussions.tex 
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Index: modules/gerd/discussions/paper/discussions.tex
diff -u modules/gerd/discussions/paper/discussions.tex:1.36 modules/gerd/discussions/paper/discussions.tex:1.37
--- modules/gerd/discussions/paper/discussions.tex:1.36	Thu Jan  5 12:53:46 2006
+++ modules/gerd/discussions/paper/discussions.tex	Thu Jan  5 13:02:24 2006
@@ -649,7 +649,7 @@
 A disadvantage is that this method depends on problem randomization, and thus can only be used with systems like LON-CAPA. Were the online problems not randomizing, discussions would likely consist of one or two entries only with the final 
 answer, such as ``17.5 m/s" or ``Answer B." Also, the online system must not have a separate discussion area, but provide contextual discussion functionality.
 
-In the current study, a general classification scheme was deployed across physics topics and concepts. However, since the discussions are associated with certain problems, they can be used to study student
+In the current study, a general classification scheme was deployed across physics topics and concepts. However, since the discussions are associated with certain problems, they can also be used to study student
 understanding of certain topics.  
   
 \section{Conclusions}
@@ -660,7 +660,7 @@
 \begin{description}
 \item[Difficulty] Very easy problems can elicit a high level conceptual discussions,
 and so can problems of mid-range difficulty. As problems become more difficult, there is no significant gain in conceptual discussions.
-\item[Problem Types] Different problem types result in different association discussion patterns. Discussions on a procedural level are more prominent for numerical problems than for any other problem type. Solution-oriented discussions are more prominent for multiple-choice style problems in an effort to short-circuit the conceptual reasoning.
+\item[Problem Types] Different problem types result in different associated discussion patterns. Discussions on a procedural level are more prominent for numerical problems than for any other problem type. Solution-oriented discussions are more prominent for multiple-choice style problems in an effort to short-circuit the conceptual reasoning.
 Discussions around single-response multiple choice problems and numerical problems have a significantly lower prominence of conceptual discussions than other problem types.
 Ranking problems show very favorable discussion patterns, but their sample size has been too small to make definitive statements. 
 \end{description}