OpenACS / openacs-4 / packages / xowf / tcl

test-item-procs.tcl

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Total Committers: 5
Last Commit: 30 Apr
Commits this week: 0
Total Lines of Code (LoC): 476
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Wednesday 31 Mar 2021
5:21 pm

antoniop

Plug the proctoring-display include to the inclass-exam via a web-callable method

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1:39 pm

trenner

call 'next' to ensure file attachments are stored in the database and content repository

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11:40 am

trenner

fix attachments for short_text_interaction

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Monday 29 Mar 2021
11:08 am

gustafn

improve spelling and whitespace changes

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11:06 am

gustafn

added support to "Answer_manager.get_answers" to return also non-exericse specific attributes

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Friday 19 Mar 2021
12:14 pm

gustafn

added functionality to prevent opening the same exam in multiple tabs

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Tuesday 16 Mar 2021
11:09 pm

gustafn

Added substitution values for short text answers

This change adds the possibility to provide randomized substitution values to short

text questions via value sets.

Value sets are a means for a content developer to provide multiple matching answers which are inserted into the text before an exercise is shown to the end user. One can e.g. provide for a calculation exercise several input and some output values, such that the students get different calculation exercises provided. These values can also be used for the correct-when clauses.

The content developer can use percent-code delimited elements when defining the exercise:

---

Assume, you want to download a %x.what% with the size of %x.size% over a %x.type% connection with a rate of %x.rate% from %univ%.

---

and also in "correct when"

---

%x.secs%

---

the value sets can be provided via an extra field for the short-text questions and have the form

of a Tcl dict:

---

univ {WU-Vienna TU-Vienna "University of Vienna"}

x {

{type "ADSL" rate "256 kbit/s" size "235 MB" secs 5300 what "Powerpoint file"}

{type "ADSL" rate "512 kbit/s" size "5.6 MB" secs 91 what "PDF file"}

{type "4G" rate "80 Mbit/s" size "270 MB" secs 27 what "PDF file"}

{type "4G" rate "40 Mbit/s" size "650 MB" secs 32 what "Lecturecast Video" }

{type "5G" rate "1 Gbit/s" size "520 MB" secs 4 what "Powerpoint file" }

{type "5G" rate "1 Gbit/s" size "1.5 GB" secs 12 what "Lecturecast Video" }

}

---

In this example, every student will get a randomly chosen value for the university (%univ%)

and matching elements containing the answer (e.g. download time of "270 MB" over "80 Mbit/s" is 27 seconds).

The download time is used in the correct when part, such that auto-correction can be applied.

When a student answers this exercise, the system provides random choices that are substituted in the text.

For every variable ("univ", "x", ..) different random values are used for the student.

Certainly, for other students, other numbers and results will be provided.

Note, that this value sets can be used for numeric an non-numeric exercises.

Current limitations:

- only defined for short-text questions (can be in general also for other question types)

- no elaborate user interface for entering value sets (or a thorough validator) is provided.

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Saturday 13 Mar 2021
9:24 pm

gustafn

Added two types of grading schemes (in addition to "exact") to ordering exercises:

- "position": count elements as correct, when these are on the correct position

- "relative": count elements as correct, if the neighboring element is correctly before the actual element

The results are adjusted by the same guessing correction as in the "ggw" scheme for MC exercises.

Example:

- desired order: 1,2,3,4

- provided answer: 3,1,2,4

- scheme "exact": 0%

- scheme "position": 0 0 0 1

- scheme "relative": 0 1 1 (correctly ordered 1<2 and 2<4)

A minor refactoring was also performed to ease code reuse.

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Friday 26 Feb 2021
11:49 am

gustafn

use absolute time for computing beeps

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Tuesday 09 Feb 2021
3:34 pm

gustafn

inclass-exam: Added configurability for time budget and display of minutes and/or points during exam

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6:25 am

gustafn

add "btwn" to precise correct-when specs

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6:23 am

gustafn

deactivate autocorrection for short_text questions, when correct when is not precise

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Thursday 04 Feb 2021
4:00 pm

gustafn

added support for composite correct-when for text_interaction

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2:22 pm

gustafn

added support for gui and multiple correct-when clauses

bump version number to 5.10.0d32

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Tuesday 02 Feb 2021
4:14 am

gustafn

revert escaped development version

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4:10 am

gustafn

allow action exam_review only when autocorrect is possible

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Monday 01 Feb 2021
11:41 am

gustafn

make end of resub options explicit

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Wednesday 27 Jan 2021
3:35 pm

antoniop

Add basic doc, fixes acs-tcl.documentation__check_proc_doc automated test

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Monday 18 Jan 2021
3:20 pm

gustafn

Updates for upload_interaction:

- allow lecturer to specify number of file, which can be uploaded

- handle singular/plural labels for attachment/attachments

- handle singular/plural labels for Students submitting files

- styling improvements

- bump version number to get as well message catalog updates from xowiki

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Wednesday 13 Jan 2021
7:00 pm

gustafn

since the form-field "file" supports the file multiple attribute, the internal representation is as well a list.

this change takes now as file-name for the local renderer as well the first file name list element.

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2:39 pm

trenner

add the original filename to the generated url, so that it is also delivered to the user

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Monday 11 Jan 2021
12:04 pm

gustafn

Added text-attachment

Ny using text-attachments, a lecturer can attach files to the exercise

text for the student to download when solving the exercise.

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Friday 08 Jan 2021
12:56 pm

gustafn

provide export interface

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Tuesday 15 Dec 2020
8:22 pm

gustafn

Improved handling of link and child resources of forms

- test-item-procs: use resolve context to resolve e.g. images in the context of the original form

(many thanks to Thomas Renner for the suggestion)

- added extra argument "-context_obj" to substitute_markup to ease client code

- inclass-exam-answer.wf: reduced the db interactions by using form_info for form generation

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Tuesday 08 Dec 2020
4:37 pm

gustafn

redice verbosity

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Sunday 06 Dec 2020
4:34 pm

gustafn

make grading scheme explicit (prepare for potentially other schemes)

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Monday 23 Nov 2020
10:00 pm

gustafn

new form-field class: boolean_checkbox

behaves like boolean, but provdes just a single checkbox instead of yes/no radio in "boolean"

the output is full compatible with "boolean".

The boolean_checkbox is used in test-item procs for a more slim correct/incorrect specification

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8:45 pm

gustafn

fixed ckeditor form field for inline mode.

use inline mode for editing test items

added a describe funtion for MC items

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Wednesday 28 Oct 2020
10:58 pm

gustafn

stay closer to QTI, use more appropriate labels

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1:02 pm

hectorr

Fix message key for SC/MC question alternatives. Many thanks to Stephan Adelsberger

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