OpenACS / openacs-4 / packages / xowf / lib

inclass-exam-answer.wf

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Last Commit: 14 Nov
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Total Lines of Code (LoC): 728
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Tuesday 03 Sep
5:37 pm

gustafn

merge from oacs-5-10

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Tuesday 16 Jan
4:57 pm

antoniop

Avoid ambiguity depending on whether the submission is rendered on its

own to the user or to the teacher in feedback mode e.g. as part of the

exam protocol

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Wednesday 10 Jan
11:28 am

antoniop

Do not display information relevant only for an ongoing exam when this has been submitted

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Saturday 11 Mar 2023
11:46 am

gustafn

added a paramter to allow/disallow page transation for exams

Browsers support automatic translation of a page to multiple languages.

Sometimes, this is not desired, especially in certain exams.

The change makes it possible to specify that translation is not wanted.

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Wednesday 25 Jan 2023
5:51 pm

trenner

set return_url via ::xo::cc to avoid "connection socket is detached" error

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Tuesday 24 Jan 2023
5:04 pm

antoniop

Do not abort after the redirect, or the rest of the workflow logic after this action won't fire

Fixes xowf.create_test_items automated test

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Wednesday 30 Nov 2022
5:46 pm

gustafn

fix escaped line

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5:45 pm

gustafn

logout action of inclass-exam-answer: perform a redirect to a return_url when provided

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Friday 28 Oct 2022
2:52 pm

gustafn

Handling of cases where exercises with 0 minutes (or empty minutes fields) are used,

or when the full exam has no minutes specifed

- Provide a hint on lecturers dashboard for questions with 0 minutes

- Don't provide timer on the lecturers dashboard

- Don't provide timer for the students

- Don't show timer for very short exams/quizzes (below 1 minute)

- Provide a hint on lecturers dashboard when no timer is displayed

- When the countdown timer has expired more than a minute, display the text

that the timer has expired, rather than counting to negative values.

Hints:

* It is recommended to set the end-time of the exam manually,

when a time window is specified and the total exam time is provided as 0.

* When there is no timer, the special autosaving semantics for the end of the exam

will not work (trying to get a snapshort short before the exam end).

* When there is no time-budget, the time budget control ("be able" exams) won't work

- bumping version to 5.10.1d47

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Saturday 22 Oct 2022
8:48 pm

gustafn

avoid UTF-8 middot that apprarently does not work everywhere

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Saturday 08 Oct 2022
9:36 pm

gustafn

replace ASCII middot by proper UTF8 middot, since the ASCII middot is no valid UTF-8

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Wednesday 05 Oct 2022
11:51 am

gustafn

Styling improvements for exam answering workflows (many thanks to Monika Andergassen)

- provide explicit text to "next" and "previous" buttons in pagination menu

- align appearance of "next" and "previous" buttons in pagination menu with GitHub

- removed class "input-group" for compound fields to improve appearance

- bumped version number of xowf to 5.10.1d48

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Tuesday 22 Mar 2022
1:17 pm

gustafn

Support for extra extra hints texts (feedback, correction hints)

The updated version of the inclass-exam supports now extra hint texts for lecturers and students. These extra information is displayed after the question, and is used either for feedback to the student (e.g. Einsicht) or as information for the grader (evaluation guidelines, esp. useful when multiple graders are involved). It can be controlled via setup what kind of information the question author can provide. The providable feedback is controlled via the feedback level:

Feedback level

- The feedback level can be

* "full": two input fields for feedback for correct and incorrect answers

* "single": single input fields for feedback

* "none": no input field for feedback.

- The feedback level is specified in the forms used in the

pull down menus for creating "New" test items.

- The feedback level is applicable to all test item types

(SC, MC, Text, ShortText, Ordering, Upload, Composite, Pool)

- The predefined setup is as follows:

"single" is used for all item type, except for "Pool" questions (since the feedback

is taken from the replacement question from the Pool)

- Nothing has change here

Correction notes:

- optionally, correction notes can be specified.

Since in the past, the general feedback was not shown to the students,

it was sometimes abused for correction hints for the lecturer.

Therefore, we have now a separate field

- Correction notes can be added to all item types

(SC, MC, Text, ShortText, Ordering, Upload, Composite, Pool) and are

turned on by default (except for Pool).

Visibility of general feedback and correction notes

- general feedback is shown (when provided)

* full exam-protocol is shown

* filtering single question

* filtering single submission (view with revision selection)

* exam-review for students (Einsicht)

- corrections notes are shown (when provided)

* full exam-protocol is shown

* filtering single question

* filtering single submission (view with revision selection)

- when general feedback is not provided, the exam protocol etc. looks as before

- when correction notes are not provided, the exam protocol etc. looks as before

- Negative feedback is provided,

* when percentage is known, and

* percentage is < 50%

- when negative feedback is displayed, the positive feedback is not displayed and vice versa

For composite questions, the system supports hint texts for the full composite question and additional ones for every single part.

Version number bumped to 5.10.1d32

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Wednesday 12 Jan 2022
6:17 pm

gustafn

use the forwarder as a forwarder...

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12:14 pm

trenner

fix typo

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Sunday 09 Jan 2022
9:46 pm

gustafn

Improved configurability of inclass exam

- added modal window for showing all configuration options

- depending on the state of an exam (whether students have stated

working on the exam or not) different options can be

altered. E.g. the grading scheme can be adjusted at any time, since

it is not visible to students prior to exam review.

- improved configurability of form-fields:

. new feature: fc_repository for shared definitions

(can be reused in the same configuration on multiple occasions)

. when form-constraints are defined with an empty short-spec,

the system tries to look this up from the fc_repository.

- extended answer manager:

. new method: student_submissions_exist

. renamed methods

. "student_submissions" -> "submissions"

(since result my include as well test run results)

. "get_answers" -> "get_answer_attributes"

to better distinguish from "submissions"

- base "merge_constraints" on dicts

- prefer forwarder over instance variable for referring

the question manager(QM)

- extended Message keys with "Configuration"

- added missing German translations in message keys

- bump version to 5.10.1d17

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Monday 03 Jan 2022
5:00 pm

gustafn

Added support for user-supplied grading schemes

Grading schemes provide a means to map achieved percentages to a numeric grade.

In the current versions, a fixed number of 5 grades is supported.

A grading scheme consists of a grounding scheme and grading boundaries.

- A grading scheme can be selected at exam definition time

- Lecturers can define their own grading schemes and reuse these between exams

- Available grounding schemes:

* no rounding (recommended for small exams, e.g. 5 minutes or 2 points)

* by percent (the calculated percentages are rounded to the provided number of digits)

* by points (the calculated points are rounded to the provided number of digits)

- The grounding precision can be defined by the user (e.g. to 2 digits)

- The grading boundaries represent percentages boundaries necessary for a certain grade

- When selecting no grading scheme, no grading information is provided in the exam protocol

(just percentages)

More changes:

- allow grading also, when student has not submitted the exam

- added percentage information in the grading-box (esp. useful for composite questions)

- renamed predefined grading schemes to more neutral terms

- provide easy-to-type names for question-manager, answer-manager and form-loader

- new utility for more robust list-comparions

- defined validating form-field type for grading boundaries

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Friday 03 Dec 2021
1:17 pm

gustafn

Added support for manual grading and individual feedback

- Lecturers can provide points and feedback comments

directly via exam protocol

- Grading is allowed, when student has submitted the exam or

the exam is not open

- Composite questions are graded at the sub-question level

- Manual grading have a higher priority than automatic grades

- Manual grading/comments can be undone by clearingfield

(showing then missing points, automated computed points, ...)

- Grades and comments are included in the exam review for

students ("Einsicht").

- Grading interactions are implemented as AJAX calls

(no need for redrawing the exam protocol, immediate feedback)

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Friday 19 Nov 2021
10:42 am

gustafn

added title for "inclass-exam-submit"

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10:35 am

gustafn

add titles to first/next/previous quesion buttons

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9:42 am

gustafn

added tailored title for "logout button, fixed typos in message catalog

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Monday 15 Nov 2021
6:02 pm

gustafn

Support for pool questions in the test-item family

Features:

- select random questions from some folder

(Currently siblings, i.e., folders of the same package instance)

- one exam can have multiple pool questions, potentially from other pools

- pools can be links to other folders (which are no siblings)

- The current folder can be used as well as a pool folder. In this

case, other not-used items can be selected as replacement items

given these match the specified filter characteristics

- Question filtering

* filter by item type:

allow one to select from all/some/some item types

(mc, sc, short text, reordering, composite, ...):

use as replacement items only examples of these types

* filter by minutes and/or points:

use as replacement items only items with matching points/minutes

* filter by language:

use as replacement items only items in a certain language

* Filter per item name pattern:

use as replacement items only items matching a name.

When (short-) names are used systematically, one can e.g.

use the date in the name and specify only items from e.g.

one year ago, via "*2020*", or from some chapter "*ch01", ...

Certainly, it is also possible to use different item

folders for this

Potential further steps:

- Currently, exams containing pool questions are treated as

auto-correctable (which implies automated exam-review (Einsicht), when

from the question pools only question from strictly closed questions

are selected (MC, SC, Ordering). Depending on the detailed settings,

also other item types could be possible (via correct-when), but this

requires a deeper analysis of every question, which is so far not

performed.

- Categorized items: technically, the infrastructure is mostly here to

allow also filtering by categories. This would allow one to select

e.g. from technical questions, case examples, knowledge transfer

questions, research-oriented questions... which are orthogonal to

the filtering currently available. Every lecturer can define

own categories depending on their needs, we could provide

university-wide category-trees, etc. Of course, one could also

define separate pools for these purposes, but categorizing is

probably more convenient and more flexible.

- Performance: when question pools become large (500+ questions) and

the cohorts as well (500+), the current version might require more

tuning. The only critical time is the exam-start, where the random

question placeholders have to be resolved for every student. The

approach from this weekend uses basic caching, but maybe this has to

be extended.

- Protecting selected questions: Question pools are more detached from

an exam than single exercises, a lecturer might have in mind. One

should not allow one to delete questions/question pools when these are

in use. Probably deletion should be a move to a trash-can, which is

actually, an issue for all exams, but getting more important with

pool questions.

- Handling of potential duplicates: When items are pulled from a

question pool, a replacement item is selected by making sure that

this item does not occur already in the query selection. Therefore,

one can safely draw two questions from the same question pool

without fearing that a student gets the same question twice.

This duplicate checking might require some fine-tuning:

* the system checks for duplicates in an exam via POOL/NAME.

* if a lecturer uses two pool-questions in an exam pointing to the same pool,

the systems makes sure, the same question is not used twice.

* however, if a teacher adds a question q1 to pool1 and the same question to pool2,

these two instances have different item ids and are regarded as two different

questions. One could make a test for only checking NAME (without POOL),

but then it might be the case that certain questions are not accepted

although these are different, because they have the same name.

- Statistics: so far, i have not provided any special answer

statistics for treating pool questions.

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Friday 05 Nov 2021
9:09 am

gustafn

Added support for tailored messages when autosave is rejected

Optionally, the AJAX call from autosave can be answered with

a JSON structure containing a "feedback". If this is provided, this

is presented to the user. The mechanism can be extended in the

future to include some reason code, etc. for further automatic

processing in JavaScript.

With this change, the inclass-exam-answer workflow will use this

to comminicate the reasone for rejected autosave operations in

situations, where the examtime is up.

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Monday 01 Nov 2021
10:19 pm

gustafn

provide means for omit the audio alarm control in the countdown timer

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Thursday 21 Oct 2021
10:54 am

gustafn

better control of browser built-in spellcheck

- xowiki: added property "spellcheck" to formfield classes "textarea" and "text_fields"

- xowf: allow per-exam to activate/deactivate spellcheck in these widget classes

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Tuesday 27 Jul 2021
2:20 pm

gustafn

allow user to open exam answering in multiple tabs in try-out mode

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Wednesday 14 Jul 2021
11:53 am

gustafn

improve comment

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Wednesday 23 Jun 2021
10:46 am

gustafn

add a 10sec grace period to allow typing until the last seconds (but not longer)

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Tuesday 22 Jun 2021
9:15 am

gustafn

Improved handling of autosaved revisions

- reject autosave attempts when time for a student is up

(works for synchronized and non-synchronized exams)

- include submissions with autosaved content in exam protocol (even when state is "initial")

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Tuesday 25 May 2021
10:08 pm

gustafn

Handling of mutual overwrites in answer workflows

Mutual overwrites occur in answer workflows when a user manages to

open multiple browswer instances/or tabs on the same exam.

In case there was an mutual overwrite, the position as provided by the

instance attributes might deviate from the position, based on which

the actual form data was generated. So, for validating and updating

one has to change the position to the one from the form data (when

this differs). Note that the randomizer depends on property

"position" as well.

The new version avoids that the user might accidencially overwrite his

data and closes on mutual overwrite automatically the older instance

window.

Bumped version number to 5.10.0d38

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