64 lines
2.0 KiB
ReStructuredText
64 lines
2.0 KiB
ReStructuredText
.. _Problems and Tools:
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#################################
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Problems
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#################################
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The format for edX problems is based on the `LONCAPA XML format`_,
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although the two are not quite compatible. In the edX variant, problems are
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composed of four types of tags:
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* **inputtypes** are similar to XBlocks. They define ways for users to enter
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input into the problem.
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* **responsetypes** are graders. They define how inputs are mapped to grades.
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* **hinters** are used to provide feedback to problems.
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* Standard HTML tags are used for formatting.
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OLX is designed to allow mixing-and-matching of inputtypes,
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responsetypes, and hinters. For example, a numerical grader could match
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7+-0.1%. It would be okay to use this with any inputtype which output a number,
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whether this was a text box, equation input, slider, or multiple choice
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question. In practice, this doesn't always work. For example, in the former
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case, a multiple choice question would not give an output in a format a
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numerical grader could handle.
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In addition, in many cases, there is a 1:1 mapping between graders and inputs.
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For some types of inputs (especially discipline-specific specialized ones), it
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simply does not make sense to have more than one grader.
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The most general grader is ``customresponse``. This uses Python code
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to evaluate the input. By design, this ought to work with any inputtype,
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although there are bugs mixing this with a small number of the newer
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inputtypes.
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Like LON-CAPA, OLX allows embedding of code to generate parameterized problems.
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Unlike LON-CAPA, edX supports Python (and not Perl). Otherwise, the syntax is
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approximately identical.
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.. toctree::
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:maxdepth: 2
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checkbox
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chemical_equation
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circuit_schematic_builder
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custom_javascript
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custom_python
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drag_and_drop
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dropdown
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gene_explorer
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image_mapped_input
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math_expression_input
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mathjax
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molecule_editor
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mult_choice_num_input
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multiple_choice
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numerical_input
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problem_in_latex
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problem_with_hint
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protein_builder
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symbolic_response
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text_input
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.. include:: ../links.rst
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