Changes for page 07 Variablen verwenden

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4	4	The use of variables allows the creation of dynamic task text. Task content can be generated randomly or adapted to the user, previously given answers, or assessments. For implementation, two different types of variables are provided in the tab of the same name:
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6	6	* **Pre-processed variables**
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9	9	Post-variables are only assigned after the task has been answered, submitted, and automatically assessed, thus allowing access to response-specific values such as the learner's response or the points for correct answers. In this way, adaptive feedback content, follow-up tests, and task series can be enabled. The use of conditions and MAXIMA statements allows responses from learners to be analysed and typical errors identified. Based on these insights, teachers will then be able to provide appropriate feedback or customised exercises.
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20	20	* [[Calculation interaction>>doc:ONYX.Erstellung von Testinhalten.Aufgabentypen.Berechnungsaufgabe.WebHome]]
21	21	* [[Formula comparison>>doc:ONYX.Erstellung von Testinhalten.Aufgabentypen.Formelvergleich.WebHome]]
22	22	* [[Expert assessment>>doc:ONYX.Erstellung von Testinhalten.Aufgaben.Bewertung festlegen.Expertenbewertung.WebHome]]
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26	26	* [[MAXIMA manual>>url:http://maxima.sourceforge.net/docs/manual/de/maxima.html||shape="rect"]]
27	27	* [[MAXIMA good practice examples>>url:https://bildungsportal.sachsen.de/opal/auth/RepositoryEntry/5499682817/CourseNode/93229879750473/wiki/Index||shape="rect"]]
28	28	* [[MAXIMA system information>>url:http://maxima.sourceforge.net/||rel="nofollow" shape="rect" class="external-link"]]
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36	36	== Pre-processed variables ==
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39	39	Define variables that are determined before the task is displayed in order to use (% style="background-color:#ffffff; font-size:14.0px" %)**random parameters**(%%) in your tasks. Variables are supported in ONYX for all types of tasks and offer various possibilities, especially for calculation interactions. With the help of variables, it is possible to create task templates which automatically allow (% style="background-color:#ffffff; font-size:14.0px" %)**an unlimited number of different test and exam attempts**(%%).
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41		-(% class="confluence-embedded-file-wrapper confluence-embedded-manual-size image-center-wrapper" %)[[image:attach:Testrun - Beispielaufgaben_de.png||data-xwiki-image-style="img-screen" data-xwiki-image-style-border="true" width="500"]]
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43	43	{{info}}
44	44	For a typical application example for the use of variables as random parameters, see [[Example "Transport" - Use of random parameters>>ONYX.Erstellung von Testinhalten.Test erstellen.Test-Variablen verwenden.Beispiele zur Nutzung von Test-Variablen.Beispieltest Transport - Einsatz von Zufallwerten.WebHome||shape="rect"]].
45	45	{{/info}}
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47		-== (% style="background-color:#dce7ef; font-size:20.0px" %)Post-processed variables(%%) ==
	49	+== Post-processed variables ==
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49	49	Define variables that are determined after the submission of the task in order to create adaptive task and test scenarios. Post-processed variables (in short: post-variables) allow you to access the learners' answers and points achieved. You can use this information to enhance following content such as feedback or task descriptions of follow-up attempts. In addition, it is possible to intervene in the assessment and make subsequent changes to it.
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51		-(% class="confluence-embedded-file-wrapper confluence-embedded-manual-size image-center-wrapper" %)[[image:attach:Testrun - Nutzerlösung einer Beispielaufgabe_de.png||data-xwiki-image-style="img-screen" data-xwiki-image-style-border="true" height="454" width="276"]][[image:attach:Testrun - Post-Variable im Feedback_de.png||data-xwiki-image-style="img-screen" data-xwiki-image-style-border="true" height="454" width="313"]][[image:attach:Testrun - Post-Variable Lösungshinweis_de.png||data-xwiki-image-style="img-screen" data-xwiki-image-style-border="true" height="280" width="327"]]
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53	53	{{info}}
54	54	The following examples for the use of post-processed variables show possible application scenarios:
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62	62	== Definition of a variable ==
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64		-Click on **//Add new variable// **in the tab// **Variables** //to define a new variable. The new variable is immediately added and displayed in the overview table. Below the table, an edit window opens for the new variable. The order of the variables and conditions within the variables table can be easily changed using drag-and-drop.
	66	+Click on **Add new variable **in the tab **Variables** o define a new variable. The new variable is immediately added and displayed in the overview table. Below the table, an edit window opens for the new variable. The order of the variables and conditions within the variables table can be easily changed using drag-and-drop.
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76	76	* [[Image variables>>doc:.Bild Variablen.WebHome||shape="rect"]]
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78	78	Depending on the selected variable type, you have various options for the **determination of the value**:
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80	80	* Value
81	81	* Value range
82	82	* Random selection
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96	96
97	97	== Definition of a condition ==
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99		-In the tab// **Variables**//, you can also use conditions. A condition allows you **to set the value of a variable, depending on other variable values**.
	100	+In the tab **Variables**, you can also use conditions. A condition allows you **to set the value of a variable, depending on other variable values**.
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101		-Click on **//Add new condition// **to define a new condition. The new condition is immediately added and displayed in the overview table. Below the table, an edit window opens for the new condition. The order of the variables and conditions within the variables table can be easily changed using drag-and-drop.
	102	+Click on **Add new condition** to define a new condition. The new condition is immediately added and displayed in the overview table. Below the table, an edit window opens for the new condition. The order of the variables and conditions within the variables table can be easily changed using drag-and-drop.
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111	111	**Link conditions:** If you have created several conditions for an IF section, you can configure how these entries will be linked. Determine whether all conditions (AND) or at least one condition (OR) must be met for the condition to be executed.
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115		-(% style="color:#333333" %)**Alternative conditions (ELSE IF): **(%%)You can add any number of alternative conditions (ELSE IF branches). Different variables can be set in the conditions. In the simple mode, only one variable can be set per condition. For more complex rules, you can switch to the **expert mode**. A more detailed description can be found in the help pages for the expert mode.
	116	+**Alternative conditions (ELSE IF):** You can add any number of alternative conditions (ELSE IF branches). Different variables can be set in the conditions. In the simple mode, only one variable can be set per condition. For more complex rules, you can switch to the **expert mode**. A more detailed description can be found in the help pages for the expert mode.
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118	118	== Expert mode (IMS QTI) ==
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129	129	== View variable assignment ==
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131	131	When testing your test content, you can view the variable assignment in the [[preview>>doc:ONYX.Erstellung von Testinhalten.Inhalte ansehen.WebHome||shape="rect"]] at any time. These details are also available to the supervisor or assessor in the [[results views>>doc:ONYX.Auswertung von Tests.Ergebniseinsicht.WebHome||shape="rect"]]. In addition to the variable assignment, information on the MAXIMA tasks as well as possible system errors are displayed.
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133	133	For more detailed information, please refer to the following help sections:
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135	135	* [[View variable assignment>>doc:ONYX.Auswertung von Tests.Ergebniseinsicht.WebHome||shape="rect"]]
136	136	* [[View MAXIMA output>>doc:ONYX.Auswertung von Tests.Ergebniseinsicht.WebHome||shape="rect"]]
137	137	* [[Display of system errors>>doc:ONYX.Auswertung von Tests.Ergebniseinsicht.WebHome||shape="rect"]]
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