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Änderungen von Dokument 04 Test-Variablen verwenden

Zuletzt geändert von Carina Enke am 13.02.2024
Von Version 122.1
bearbeitet von Carina Enke
am 22.01.2020
Änderungskommentar: Mittels Scroll Versions veröffentlicht aus dem Bereich ONYXintern und Version 8.9.
Auf Version 156.1
bearbeitet von Carina Enke
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Zusammenfassung

Details

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20 20  Zur Umsetzung werden zu den [[Aufgaben-Variablen>>doc:Variablen verwenden]] gleich zwei verschiedene Typen von Variablen im gleichnamigen Tab angeboten:
21 21  
22 22  * **Vor Anzeige verarbeitete Variablen**
23 -Die Pre-Variablen werden vor Anzeige aller Aufgaben des Tests belegt. Die zufällig generierten Werte können mit Aufgabenvariablen verknüpft und somit in allen Testinhalten verwendet werden.
23 +Die Pre-Variablen werden vor Anzeige aller Aufgaben des Tests belegt. Die zufällig generierten Werte können mit Aufgabenvariablen verknüpft und somit in allen Testinhalten verwendet werden.
24 24  * **Nach Abgabe verarbeitete Variablen**
25 25  Die Post-Variablen werden nach Beantwortung, Abgabe und automatischer Bewertung der Einzelaufgaben belegt und ermöglichen somit Zugriff auf antwortspezifische Werte wie die Lernerantwort oder Punkteinformationen. Die generierten Werte können für Folgeaufgaben verwendet werden.
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29 29  [[image:attach:Test - Tab Variablen_de.png]]
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79 79  [[Beispieltest "Transport" - Einsatz von Zufallswerten in zusammengehörigen Aufgaben>>doc:Beispieltest Transport - Einsatz von Zufallwerten]]
80 80  )))
81 81  {{/info}}
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83 83  == Nach Abgabe verarbeitete Variablen ==
84 84  
85 85  Definieren Sie Testvariablen, welche nach Abgabe jeder Einzelaufgabe neu berechnet werden (kurz: Post-Variablen). In die Werteberechnung können während der Testbearbeitung ermittelte Werte wie die Teilnehmerantwort, erreichte Punkte oder genutzte Lösungsversuche einbezogen werden. Dies ermöglicht beispielsweise Punkte- oder Fehlerzähler und aufbauend die Steuerung von nachfolgenden Aufgaben, Hinweisen oder Feedbackinhalten.
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105 +{{layout-cell}}
106 +== Variablentypen ==
107 +
108 +Für Testvariablen stehen folgende Variablentypen bereit:
109 +
110 +* [[Numerische Variablen>>url:https://www.bps-system.de/help/display/ONYXintern/.Numerische+Variablen+v8.12||shape="rect"]]:
111 +** Ganze Zahl
112 +** Gleitkommazahl
113 +* [[Text Variablen>>url:https://www.bps-system.de/help/display/ONYXintern/.Text+Variables+v8.12||shape="rect"]]
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118 +
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92 92  {{layout}}
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95 -The use of **test variables** enables the creation of adaptive tests and related thematic complexes.
123 +Using **test variables** enables the creation of adaptive tests and related thematic complexes.
96 96  
97 97  Specifically, the following scenarios are feasible:
98 98  
99 -* Related question complexes can be parameterised by common, global variables (test variables). The random values allow for different question values for each test attempt and each participant.
100 -* Learner answers, processing success and identified "typical" or systematic mistakes by the learners can be stored and taken into account for later questions.
101 -* More detailed information on users’ performance with the individual questions can be generated during the test and collected as a basis for a personalised overall assessment (test feedback).
102 -* In the beginning, participants can configure specific settings (e. g. for the difficulty level and thematic focus) which will be stored in global variables and have an effect on subsequent questions.
127 +* Related question complexes can be parameterised by common, global variables (test variables). The random values allow for different question values in each test attempt and for each participant.
128 +* Learner answers, performance and identified "typical" or systematic mistakes made by the learners can be stored and taken into account for later questions.
129 +* More detailed information on the users’ performance as regards the individual questions can be generated during the test and collected as the basis for a personalised overall assessment (test feedback).
130 +* Initially, participants can configure specific settings (e. g. for the difficulty level and thematic focus) themselves, which will then be stored in global variables and affect subsequent questions.
103 103  
104 -To implement such scenarios, you can choose between two different types of [[question variables>>url:https://www.bps-system.de/help/display/ONYXintern/.Variablen+verwenden+v8.7||shape="rect"]] in the **Variables** tab:
132 +To implement such scenarios, you can choose between two different types of [[question variables>>url:https://www.bps-system.de/help/display/ONYXintern/.Variablen+verwenden+v8.7||shape="rect"]] in the Variables tab:
105 105  
106 106  * **Pre-processed variables**
107 -Pre-variables will be assigned before the test questions are displayed. The randomly generated values can be linked to question variables and used in all test content.
135 +Pre-variables are assigned before the test questions will be displayed. The randomly generated values can be linked to question variables and used in all test content.
108 108  * **Post-processed variables**
109 -Post-variables will only be assigned after the questions have been answered, submitted and automatically assessed, thus allowing access to response-specific values such as the learners’ answers or the number of points for correct answers. The generated values can also be used for follow-up questions.
137 +Post-variables will only be assigned after the questions have been answered, submitted and automatically assessed, thus providing access to response-specific values such as the learners’ answers or the number of points for correct answers. The generated values can also be used for follow-up questions.
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124 124  {{/panel}}
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126 126  {{panel borderColor="#ddd" borderStyle="solid" title="Using question variables"}}
127 -* (% class="confluence-link" %)[[Using variables>>url:https://www.bps-system.de/help/display/ONYX/Variablen+verwenden#Variablenverwenden-DefinitioneinerVariable||shape="rect"]]
155 +* (% class="confluence-link" %)[[Definition of a variable>>url:https://www.bps-system.de/help/display/ONYXintern/.Variablen+verwenden+v8.7||shape="rect"]]
156 +* (% class="confluence-link" %)[[Use of variables>>url:https://www.bps-system.de/help/display/ONYXintern/.Variablen+verwenden+v8.7||shape="rect"]]
157 +* (% class="confluence-link" %)[[Definition of a condition>>url:https://www.bps-system.de/help/display/ONYXintern/.Variablen+verwenden+v8.7||shape="rect"]]
158 +* (% class="confluence-link" %)[[Expert mode IMS QTI>>url:https://www.bps-system.de/help/display/ONYXintern/.Variablen+verwenden+v8.7||shape="rect"]]
159 +* (% class="confluence-link" %)[[View variable assignment>>url:https://www.bps-system.de/help/display/ONYXintern/.Variablen+verwenden+v8.7||shape="rect"]]
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130 130  {{panel borderColor="#ddd" borderStyle="solid" title="Related topics"}}
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149 149  {{layout-cell}}
150 150  == Pre-processed variables ==
151 151  
152 -You can define test variables here, which will be determined before the questions are displayed (in short: pre-variables). If you wish to use these test variables as random parameters in your questions, they need to be linked to question variables. The value will be assigned before the first question is displayed. Please note that all variables set in the question will override the linked values.
184 +Here you can define test variables, which are determined before the questions will be displayed (in short: pre-variables). If you wish to use these test variables as random parameters in your questions, they need to be linked to question variables. The value is assigned before the first question will be displayed. Please note that all variable assignments in the question will override the linked values.
153 153  
154 154  {{info}}
155 -The following example for using (pre-processed) test variables shows possible application scenarios:
187 +The following examples for using (pre-processed) test variables demonstrate possible application scenarios:
156 156  
157 157  * [[Example test “Transport” - Use of random values in related questions>>url:https://www.bps-system.de/help/display/ONYXintern/.Beispieltest+Transport+-+Einsatz+von+Zufallwerten+v8.X||shape="rect"]]
158 158  {{/info}}
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160 160  == Post-processed variables ==
161 161  
162 -Define test variables which will be recalculated after submission of each question (in short: post-variables). The value calculation may include values determined during the test, such as the participant response, points achieved or the number of attempts made. This allows to monitor points and errors, which can be used to control subsequent questions, hints or content of feedback.
204 +Define test variables, which will be recalculated each time after submitting a question (in short: post-variables). The value calculation may include values determined during the test, such as the participant's responses, score or the number of attempts made. This allows to monitor points and errors, and thus to control subsequent questions, hints or feedback content.
163 163  {{/layout-cell}}
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216 +== Variable types ==
217 +
218 +The following variable types are available for test variables:
219 +
220 +* [[Numerical variables>>url:https://www.bps-system.de/help/display/ONYXintern/.Numerische+Variablen+v8.12||shape="rect"]]:\\
221 +** Integer
222 +** Floating point
223 +* [[Text variables>>url:https://www.bps-system.de/help/display/ONYXintern/.Text+Variables+v8.12||shape="rect"]]
224 +{{/layout-cell}}
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1 -https://www.bps-system.de/help/display/SOV/wiki/spaces/ONYX/pages/333284008/Test-Variablen verwenden
1 +https://www.bps-system.de/help/display/SOV/wiki/spaces/ONYX/pages/200737023/Test-Variablen verwenden