Scaffolding1

Sequentially Revealed (Scaffolded) Problems

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This PG code shows how to create multi-part questions that hide from students parts that have not yet been answered correct.

• File location in OPL: FortLewis/Authoring/Templates/Misc/Scaffolding1.pg

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PG problem file	Explanation
Problem tagging data	Problem tagging:
DOCUMENT(); loadMacros( "PGstandard.pl", "MathObjects.pl", "compoundProblem5.pl", "PGcourse.pl", ); TEXT(beginproblem()); $showPartialCorrectAnswers = 1; $scaffold = Scaffold(); INITIALIZE_SCAFFOLD('$scaffold'); $isInstructor = 0; # = 0 when students use it TEXT(MODES( HTML=>'Clicking on a section opens it provided that you have answered previous sections correctly.', TeX=>''));	Initialization: We initialize the scaffolding with the name $scaffold. Set $isInstructor = 0; when the problem is available to students, or set to 1 when debugging. Alternatively, we could set $isInstructor = ($envir{effectivePermissionLevel} >= $envir{ALWAYS_SHOW_SOLUTION_PERMISSION_LEVEL}); to ensure that only users that always have permission to show correct answers can open all of the sections of the scaffolding without needing to enter correct answers.
Context("Numeric"); $answer = Compute("1");	Setup:
Context()->texStrings; BEGIN_TEXT Question text $BR $BR Answer = \{ ans_rule(20) \} \{ AnswerFormatHelp("formulas") \} END_TEXT Context()->normalStrings;	Main Text:
$showPartialCorrectAnswers = 1; ANS( $answer->cmp() );	Answer Evaluation:
Context()->texStrings; BEGIN_SOLUTION ${PAR}SOLUTION:${PAR} Solution explanation goes here. END_SOLUTION Context()->normalStrings; COMMENT('MathObject version.'); ENDDOCUMENT();	Solution:

Templates by Subject Area