MultipleChoicePopup2
Multiple Choice Question 2 (Popup Menu)
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:MultipleChoicePopup2.txt (change the file extension from txt to pg when you save it)
 - File location in NPL: 
NationalProblemLibrary/FortLewis/Authoring/Templates/Misc/MultipleChoicePopup2.pg 
| PG problem file | Explanation | 
|---|---|
| 
 Problem tagging:  | 
|
DOCUMENT(); loadMacros( "PGstandard.pl", "MathObjects.pl", "parserPopUp.pl", ); TEXT(beginproblem());  | 
 
Initialization:
We need   | 
Context("Numeric");
$popup = PopUp(
  ["?","Red","Blue","Green"],
  "Blue",
);
 | 
 
Setup: 
To create a radio object, use   | 
Context()->texStrings;
BEGIN_TEXT
My favorite color is
\{ $popup->menu() \}
END_TEXT
Context()->normalStrings;
 | 
 Main Text:  | 
install_problem_grader(~~&std_problem_grader); $showPartialCorrectAnswers = 0; ANS( $popup->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
The correct answer is \{ $popup->correct_ans() \}
END_SOLUTION
Context()->normalStrings;
COMMENT('MathObject version.');
ENDDOCUMENT();
 | 
 Solution:  |