Sequence of URLs - Revision history

E.vandenberge at 10:05, 16 April 2026

2026-04-16T10:05:56Z

E.vandenberge: /* SONA and Prolific */

2026-04-16T10:04:57Z

SONA and Prolific

Wilbert.vanham: /* SONA and Prolific */

2025-10-06T13:40:41Z

SONA and Prolific

Wilbert.vanham: add example for dual panel (SONA + Prolific)

2025-10-06T13:38:41Z

add example for dual panel (SONA + Prolific)

Wilbert.vanham: /* Privacy */

2025-10-06T08:08:38Z

Privacy

Wilbert.vanham: /* Prolific */

2025-10-03T08:26:44Z

Prolific

Wilbert.vanham: /* Simple example */

2025-10-03T08:25:14Z

Simple example

Wilbert.vanham at 14:25, 29 September 2025

2025-09-29T14:25:54Z

Wilbert.vanham at 14:25, 29 September 2025

2025-09-29T14:25:33Z

Wilbert.vanham at 14:25, 29 September 2025

2025-09-29T14:25:11Z

@@ Line 60: / Line 60: @@
 </ol>
-ℹ️ We leave out the last part of the completion URL that the SONA experiment page gives (&survey_code=XXXXXX) since that is taken care of by ''Sequence''
+:ℹ️ We leave out the last part of the completion URL that the SONA experiment page gives (&survey_code=XXXXXX) since that is taken care of by ''Sequence''
 As the SONA study url you should use without ''Sequence'':
@@ Line 71: / Line 72: @@
 but with ''Sequence'' you replace the first part:
 <pre>https://www.socsci.ru.nl/tsg/sequence/123456/0?PROLIFIC_PID={{%PROLIFIC_PID%}}&STUDY_ID={{%STUDY_ID%}}&SESSION_ID={{%SESSION_ID%}}</pre>
-Note that you only enter the part up to but not including the question mark in Prolific and Polific will add the rest.
+:ℹ️ You only enter the part up to but not including the question mark in Prolific and Polific will add the rest.
 All that we now have to do is set a Limesurvey ''end url'' that points either to SONA or to Prolific:

@@ Line 54: / Line 54: @@
 As the three URLs in ''Sequence'' you input  (mutatis mutandis):
-* 0: https://questions.socsci.ru.nl/index.php/654321 (change the 6 digit number to your limesurvey number)
+<ol>
-* 1: https://radboud.sona-systems.com/services/SonaAPI.svc/WebstudyCredit?experiment_id=12345&credit_token=123456789abcdef (take your SONA completion url)
+<li value="0"><code><nowiki>https://questions.socsci.ru.nl/index.php/654321</nowiki></code> (change the 6 digit number to your limesurvey number)</li>
-* 2: https://app.prolific.co/submissions/complete?cc=ABC123 (take your the Prolific completion url)
+<li value="1"><code><nowiki>https://radboud.sona-systems.com/services/SonaAPI.svc/WebstudyCredit?experiment_id=12345&credit_token=123456789abcdef</nowiki></code> (take your SONA completion url)</li>
-Note that we leave out the last part of the completion URL that the SONA experiment page gives (&survey_code=XXXXXX) since that is taken care of by ''Sequence''
+<li value="2"><code><nowiki>https://app.prolific.co/submissions/complete?cc=ABC123</nowiki></code> (take your the Prolific completion url)</li>
 As the SONA study url you should use without ''Sequence'':
-* https://questions.socsci.ru.nl/index.php/654321?survey_code=%SURVEY_CODE%
+<pre>https://questions.socsci.ru.nl/index.php/654321?survey_code=%SURVEY_CODE%</pre>
 but because you use ''Sequence'' you replace the first part:
-* https://www.socsci.ru.nl/tsg/sequence/123456/0?survey_code=%SURVEY_CODE%
+<pre>https://www.socsci.ru.nl/tsg/sequence/123456/0?survey_code=%SURVEY_CODE%</pre>
 As the Prolific study url you should use without ''Sequence'':
-* https://questions.socsci.ru.nl/index.php/654321?PROLIFIC_PID={{%PROLIFIC_PID%}}&STUDY_ID={{%STUDY_ID%}}&SESSION_ID={{%SESSION_ID%}}
+<pre>https://questions.socsci.ru.nl/index.php/654321?PROLIFIC_PID={{%PROLIFIC_PID%}}&STUDY_ID={{%STUDY_ID%}}&SESSION_ID={{%SESSION_ID%}}</pre>
 but with ''Sequence'' you replace the first part:
-* https://www.socsci.ru.nl/tsg/sequence/123456/0?PROLIFIC_PID={{%PROLIFIC_PID%}}&STUDY_ID={{%STUDY_ID%}}&SESSION_ID={{%SESSION_ID%}}
+<pre>https://www.socsci.ru.nl/tsg/sequence/123456/0?PROLIFIC_PID={{%PROLIFIC_PID%}}&STUDY_ID={{%STUDY_ID%}}&SESSION_ID={{%SESSION_ID%}}</pre>
 Note that you only enter the part up to but not including the question mark in Prolific and Polific will add the rest.
 All that we now have to do is set a Limesurvey ''end url'' that points either to SONA or to Prolific:
-* https://www.socsci.ru.nl/tsg/misc/redirect.php?url={if(is_empty('{PASSTHRU:PROLIFIC_PID}'), 'https://www.socsci.ru.nl/tsg/sequence/123456/1', 'https://www.socsci.ru.nl/tsg/sequence/123456/2')}
+<pre>https://www.socsci.ru.nl/tsg/misc/redirect.php?url={if(is_empty('{PASSTHRU:PROLIFIC_PID}'), 'https://www.socsci.ru.nl/tsg/sequence/123456/1', 'https://www.socsci.ru.nl/tsg/sequence/123456/2')}</pre>
 which in normal English means something like: if there is ''no'' PROLIFIC PID, go to ''Sequence'' page 1, otherwise go to ''Sequence'' page 2.

@@ Line 68: / Line 68: @@
 but with ''Sequence'' you replace the first part:
 * https://www.socsci.ru.nl/tsg/sequence/123456/0?PROLIFIC_PID={{%PROLIFIC_PID%}}&STUDY_ID={{%STUDY_ID%}}&SESSION_ID={{%SESSION_ID%}}
 All that we now have to do is set a Limesurvey ''end url'' that points either to SONA or to Prolific:

← Older revision		Revision as of 13:38, 6 October 2025
Line 47:		Line 47:

	Now all three URLs will receive the prolific PID, study id, etc.		Now all three URLs will receive the prolific PID, study id, etc.
		+
		+	= SONA and Prolific =
		+	Imagine you want to conduct an online experiment with two panel systems that recruit participants to the same experiment, SONA and Prolific, and you want to your participants to visit the following places:
		+	* Online Experiment in Limesurvey
		+	* SONA or Prolific completion, depending on where they were recruited
		+
		+	As the three URLs in ''Sequence'' you input (mutatis mutandis):
		+	* 0: https://questions.socsci.ru.nl/index.php/654321 (change the 6 digit number to your limesurvey number)
		+	* 1: https://radboud.sona-systems.com/services/SonaAPI.svc/WebstudyCredit?experiment_id=12345&credit_token=123456789abcdef (take your SONA completion url)
		+	* 2: https://app.prolific.co/submissions/complete?cc=ABC123 (take your the Prolific completion url)
		+	Note that we leave out the last part of the completion URL that the SONA experiment page gives (&survey_code=XXXXXX) since that is taken care of by ''Sequence''
		+
		+	As the SONA study url you should use without ''Sequence'':
		+	* https://questions.socsci.ru.nl/index.php/654321?survey_code=%SURVEY_CODE%
		+	but because you use ''Sequence'' you replace the first part:
		+	* https://www.socsci.ru.nl/tsg/sequence/123456/0?survey_code=%SURVEY_CODE%
		+
		+	As the Prolific study url you should use without ''Sequence'':
		+	* https://questions.socsci.ru.nl/index.php/654321?PROLIFIC_PID={{%PROLIFIC_PID%}}&STUDY_ID={{%STUDY_ID%}}&SESSION_ID={{%SESSION_ID%}}
		+	but with ''Sequence'' you replace the first part:
		+	* https://www.socsci.ru.nl/tsg/sequence/123456/0?PROLIFIC_PID={{%PROLIFIC_PID%}}&STUDY_ID={{%STUDY_ID%}}&SESSION_ID={{%SESSION_ID%}}
		+
		+	All that we now have to do is set a Limesurvey ''end url'' that points either to SONA or to Prolific:
		+	* https://www.socsci.ru.nl/tsg/misc/redirect.php?url={if(is_empty('{PASSTHRU:PROLIFIC_PID}'), 'https://www.socsci.ru.nl/tsg/sequence/123456/1', 'https://www.socsci.ru.nl/tsg/sequence/123456/2')}
		+	which in normal English means something like: if there is ''no'' PROLIFIC PID, go to ''Sequence'' page 1, otherwise go to ''Sequence'' page 2.

	= Privacy =		= Privacy =

@@ Line 49: / Line 49: @@
 = Privacy =
-This method looks a bit like the way the worlds largest privacy breakers work. After all these web pages receive the name of the person visiting them without the participant sending it.
+This method looks a bit like the way the worlds largest privacy breakers work. These web pages receive the name of the person visiting them without the participant sending it explicitly also.
-This is precisely the intention, but from it is also very different. Rather than saving a persistent cookie and storing the participants information for later use, we save
-only the precise information entered by the participant, store it only on the participants computer and store it only during the session. Therefore no separate cookie notice is required.
+This is precisely the intention of ''Sequence'', but it is also very different. Rather than saving a persistent cookie and storing the participants information for later use, we save
-You only need to inform the participant that the information of the separate parts of the experiment is combined, like you would do anyway when using a method like [https://www.socsci.ru.nl/tsg/composer/ URL composer].
+only the precise information entered by the participant, store it only on the participants computer and store it only during the session. Therefore no cookie notice is required.

@@ Line 34: / Line 34: @@
 * https://app.prolific.co/submissions/complete?cc=FJ2UID24
-You may have never done this before by hand, since it is done for you by [[URL Composer]]. This works but typically we want to make it even more complicated. The experiment wants to keep track of the ''prolific pid'' the identify unique participants. In the past we could use [[URL Composer]] for an even more complicated URL, but that no longer works (2023-06-16) therefore we need [https://www.socsci.ru.nl/tsg/sequence Sequence of URLs], a small tool that makes aliases for the three URLs in your experiment and keeps track of the ''prolific pid'' for you. Just enter the three URLs there:
+You may have never done this before by hand, since it is done for you by [[URL Composer]]. This works but typically we want to make it even more complicated. The experiment wants to keep track of the ''prolific pid'' to identify unique participants. In the past we could use [[URL Composer]] for an even more complicated URL, but that no longer works (2023-06-16) therefore we need [https://www.socsci.ru.nl/tsg/sequence Sequence of URLs], a small tool that makes aliases for the three URLs in your experiment and keeps track of the ''prolific pid'' for you. Just enter the three URLs there:
 * https://questions.socsci.ru.nl/index.php/654321?url=https://www.socsci.ru.nl/tsg/sequence/123456/1

@@ Line 5: / Line 5: @@
 * https://www.nos.nl?name=John
-But you may want to prevent having to type the same information twice. That is where [https://www.socsci.ru.nl/tsg/sequence Sequence of URLs] can help. Put you two URLs in a sequence:
+But you may want to prevent having to type the same information twice. That is where [https://www.socsci.ru.nl/tsg/sequence Sequence of URLs] can help. Put your two URLs in a Sequence:
 [[File:Overview .png|frame|center|A sequence of two URLs]]

@@ Line 44: / Line 44: @@
 Instead of linking to the informed consent form directly, you link prolific to the first URL in the sequence:
-[[File:Prolific URL.png|border|form on the prolific study page showing the experiment url.]]
+[[File:Prolific URL.png|frame|center|form on the prolific study page showing the experiment url.]]
 Now all three URLs will receive the prolific PID, study id, etc.

@@ Line 41: / Line 41: @@
 like this.
-[[File:Sequence of URLs.png|border|Three URLs that make up an experiment]]
+[[File:Sequence of URLs.png|frame|center|Three URLs that make up an experiment]]
 Instead of linking to the informed consent form directly, you link prolific to the first URL in the sequence:

@@ Line 6: / Line 6: @@
 But you may want to prevent having to type the same information twice. That is where [https://www.socsci.ru.nl/tsg/sequence Sequence of URLs] can help. Put you two URLs in a sequence:
-[[File:Overview .png|border|A sequence of two URLs]]
+[[File:Overview .png|frame|center|A sequence of two URLs]]
 now you can visit the following two URLs:
@@ Line 27: / Line 27: @@
 The last of the three comes from Prolific:
-[[File:Prolific completion.png|border|Form on the Prolific study page showing the completion URL.]]
+[[File:Prolific completion.png|frame|center|Form on the Prolific study page showing the completion URL.]]
 Since you programmed ''coolExperiment'' yourself you can make sure that the last page contains a link to the completion URL, but to let the informed consent survey know where the experiment is, you have to add it in the first URL like this: