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The intended point of word choice is to make an “in-line” version of multiple-choice,
although in practice it can be a little more flexible and useful. Note that it
generates a dropdown menu instead of a list of choices, to allow for in-line
formatting.
How to generate word choice answers
To generate word choice answers, you use the wordchoice command:
Notice that this is formatted almost identically to the multipleChoice environment -
the main difference being that it is a command rather than an environment to ensure
that you don’t force a line break (since wordchoice is intended to be an
in-line version of the multiple choice answer type). Also note that, as long as
you don’t use the line break latex command: “∖∖” or include a double line
break yourself (enter twice) in the code, the wordChoice command itself
won’t force a line break, allowing you to chain together a number of these to
create a sequence of dropdown boxes that allow you to make more elaborate
answers.
How word choice validates an answer
Simply. Word choice allows the student to click on (only) one answer choice, and if
that answer is marked as correct (has the “[correct]” optional argument), then they
get credit for the problem, otherwise it is marked wrong.
Note that, this means if you have multiple choices flagged as correct, then if a
student selects any answer that is marked correct, they will get the answer marked
correct - which also locks the problem, so they won’t be able to check other options
for correctness.
Optional Arguments
Word Choice itself (currently) has no optional arguments. The choice command
(currently) has only one key-value pair, which is the flag for whether the choice is
correct or not. Technically the key is ‘correct’ and the value is ‘correct’ or
‘incorrect’, but the key defaults to ‘incorrect’ and simply using the key flips
it to correct. In other words using \choice[correct]{Correct!} is the
same as using \choice[correct=true]{Correct!}, and both of those will
mark the given choice as the correct answer. Likewise \choice{False!} and
\choice[correct=false]{False!} are equivalent, and both result in the answer
being incorrect.
There are currently no real best-practices established for this type of response,
beyond those established for the “multipleChoice” response environment, which is
what this is based on.
Potential Pitfalls and Problems
Only one answer can be selected
Since only one answer can be selected then having multiple ‘correct’ answers in the
list means a student can only select one of them. Since Ximera locks the answer once
it is correct, the only way to test other answers for correctness is to “erase
work” and start over with a different selection. Since student’s won’t do this
in practice, and since they expect that only one answer being selectable
means there is only one correct answer - this can lead to the assumption
that since they got “the” correct answer, then all other answers must be
incorrect, which may result in questions as to why the other (actually correct)
answers aren’t correct - or even worse, the blanket assumption that they
must be incorrect without any questions or opportunities to correct that
misunderstanding.
There are a finite number of options
Since Ximera allows unlimited attempts at answering (this is a feature we intend to
make controllable in some way in the future, but currently all answers get
unlimited attempts), a clever-enough-to-be-dangerous student will realize
they can just spam the answer until they find the right one and move on
without even reading the options. There isn’t much to do about this, but it is
important to keep in mind when designing problems and deciding on answer-type
variety.
Randomization is ‘kind of’ pointless
Although there are ways to randomize the content of the problems and answers
(see the randomization section), it is important to note that LaTeX level
content cannot be randomized currently (this is going to be changed in the
future edition) which means, although the content of the choice command
might be randomized, which multiple choice option is correct cannot be
randomized - something that the students will pick up on mighty quick. For
review this isn’t as bad since students are at least aware enough that they
are trying to understand how the correct answer is the correct answer - so
knowing “the right answer is the third choice” is less important... but it’s still
important.