Difference between revisions of "MultipleChoiceRadio1"
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Revision as of 18:57, 30 November 2010
Multiple Choice Question 1 (Radio Buttons)
This PG code shows how to write a multiple choice question in which all of the options are displayed to the student and the student can only choose one correct answer (it uses radio buttons).
- Download file: File:MultipleChoice1.txt (change the file extension from txt to pg)
- File location in NPL:
NationalProblemLibrary/FortLewis/Authoring/Templates/Misc/MultipleChoice1.pg
| PG problem file | Explanation |
|---|---|
|
Problem tagging: |
|
DOCUMENT(); loadMacros( "PGstandard.pl", "MathObjects.pl", "parserRadioButtons.pl", ); TEXT(beginproblem()); |
Initialization:
We need |
Context("Numeric");
$radio = RadioButtons(
["Red","Blue","Green","None of these"],
"Blue", # correct answer
last => ["None of these"], # can be a list
);
|
Setup: The context is not really necessary, but multiple choice questions are often follow-up questions, so we leave it in. |
Context()->texStrings;
BEGIN_TEXT
My favorite color is
$BR
$BR
\{ $radio->buttons() \}
END_TEXT
Context()->normalStrings;
|
Main Text: |
install_problem_grader(~~&std_problem_grader); $showPartialCorrectAnswers = 0; ANS( $radio->cmp() ); |
Answer Evaluation: We withhold feedback by choosing not to show partially correct answers. We use the standard problem grader, which gives full credit or no credit. For other graders, see weighted graders |
Context()->texStrings;
BEGIN_SOLUTION
${PAR}SOLUTION:$PAR
Just guess!
END_SOLUTION
Context()->normalStrings;
COMMENT('MathObject version.');
ENDDOCUMENT();
|
Solution: |
