version 1.2, 2002/07/18 15:52:27
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version 1.3, 2005/02/04 21:00:28
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\label{String_Response_Problems} |
\label{String_Response_Problems} |
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\textbf{\index{String Response}String Response} problems are problems in |
\textbf{\index{String Response}String Response} problems allow the student to submit a string of characters for the answer. Examples |
which the student submits a string of characters for the answer. Examples |
of String Response questions are vocabulary tests, short answers and chemical formulas. |
of string response questions are vocabulary tests, short answer and entering |
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chemical formulas. |
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Note that it is easy to abuse String Response problems. For instance, consider |
Note that it is easy to abuse String Response problems. For instance, consider |
the question {}``Who wrote 'Huckleberry Finn'?'' If you tell the system |
the question {}``Who wrote 'Huckleberry Finn'?'' If you tell the system |
the answer is {}``Mark Twain'', and a student answers {}``Twain'', the |
the answer is {}``Mark Twain'', and a student answers {}``Twain'', the |
system will mark it wrong. If they answer {}``Samuel Clements'', then the |
system will mark it wrong. If they answer {}``Samuel Clemens'', then the |
student will definitely get it wrong. There is some room for flexibility |
student will definitely get it wrong. There is some room for flexibility |
in the string processing, but it can be difficult to get it all right. Before |
in the string processing, but it can be difficult to get it all correct. Before |
you use a String Response problem, be sure you can easily characterize correct |
you use a String Response problem, be sure you can easily characterize correct |
answers. |
answers. |
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