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Counterbalance / IF function - Surveys and Tests


Counterbalance / IF function - Surveys and Tests
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smile_its_zoe
smile_its_zoe
smile_its_zoe
posted 8 Years Ago ANSWER
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Dave - Thursday, March 2, 2017
smile_its_zoe - Thursday, March 2, 2017
Hi, 

I am setting up an experiment which includes multiple tasks (stroop, backward digit, choice reaction etc) and three surveys. 

I have 32 participants split into two groups and each participant will carry out 1 each day. However to reduce the learning effect i need to create differences between the tests so i have Test A, B, C and D. I want to be able to give each participant a different experiment in a specific order as the weeks go by to be able to counterbalance (illustrated below). 

Is it therefore possible to counterbalance or offset <exp> through the webplatform and how do i do this in a specific order which changes each time they login? Does it need to relate to a participant identifier (like a group no.)? 

In addition i am currently producing each script separately (survey1, survey 2, survey 3, backward digit,etc) but i am struggling to combine <survey> with <htmlpage> for my preinstruction page is this not possible? I have seen that it is possible to change <surveys> to <block>, is there more detail on this?

Lastly in my survey i have a <page> of questions that i only want to appear if the last question on that page has a response of "Yes"? Is there an IF or Script Logic function available? 

Thankyou for your help. 

P.S. Fairly new to this so apologies for my terminology. 
 







You can use <batch> elements to administer the different versions / orders and assign participants to those orders using the groupnumber. You can pass this info to the launch page via a query parameter and give each participant a different link for each day, corresponding to the order / version they should complete on that day.

See e.g. https://www.millisecond.com/forums/FindPost12606.aspx for a simple example.

<survey> elements are special types of <block>s. To display your <htmlpage>, set up an <expt> in the script, use its /preinstructions to display the instructions and have it run the survey.

<expt>
/ preinstructions = (myhtmlpage)
/ blocks = [1=mysurvey]
...
</expt>

<survey mysurvey>
...
</survey>

<htmlpage myhtmlpage>
/ file = "myhtmlfile.htm"
</htmlpage>

Hi Dave, 

Thanks for the above really helpful!! Managed to get it working :-)

Thanks Again,

Zoe
Reply Like 46
Dave
Dave
Dave
posted 8 Years Ago ANSWER
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smile_its_zoe - Thursday, March 2, 2017
Hi, 

I am setting up an experiment which includes multiple tasks (stroop, backward digit, choice reaction etc) and three surveys. 

I have 32 participants split into two groups and each participant will carry out 1 each day. However to reduce the learning effect i need to create differences between the tests so i have Test A, B, C and D. I want to be able to give each participant a different experiment in a specific order as the weeks go by to be able to counterbalance (illustrated below). 

Is it therefore possible to counterbalance or offset <exp> through the webplatform and how do i do this in a specific order which changes each time they login? Does it need to relate to a participant identifier (like a group no.)? 

In addition i am currently producing each script separately (survey1, survey 2, survey 3, backward digit,etc) but i am struggling to combine <survey> with <htmlpage> for my preinstruction page is this not possible? I have seen that it is possible to change <surveys> to <block>, is there more detail on this?

Lastly in my survey i have a <page> of questions that i only want to appear if the last question on that page has a response of "Yes"? Is there an IF or Script Logic function available? 

Thankyou for your help. 

P.S. Fairly new to this so apologies for my terminology. 
 







You can use <batch> elements to administer the different versions / orders and assign participants to those orders using the groupnumber. You can pass this info to the launch page via a query parameter and give each participant a different link for each day, corresponding to the order / version they should complete on that day.

See e.g. https://www.millisecond.com/forums/FindPost12606.aspx for a simple example.

<survey> elements are special types of <block>s. To display your <htmlpage>, set up an <expt> in the script, use its /preinstructions to display the instructions and have it run the survey.

<expt>
/ preinstructions = (myhtmlpage)
/ blocks = [1=mysurvey]
...
</expt>

<survey mysurvey>
...
</survey>

<htmlpage myhtmlpage>
/ file = "myhtmlfile.htm"
</htmlpage>
Reply Like 71
smile_its_zoe
smile_its_zoe
smile_its_zoe
posted 8 Years Ago
Esteemed Member (2.5K reputation)Esteemed Member (2.5K reputation)Esteemed Member (2.5K reputation)Esteemed Member (2.5K reputation)Esteemed Member (2.5K reputation)Esteemed Member (2.5K reputation)Esteemed Member (2.5K reputation)Esteemed Member (2.5K reputation)Esteemed Member (2.5K reputation)
Group: Forum Members
Posts: 27, Visits: 129
Hi, 

I am setting up an experiment which includes multiple tasks (stroop, backward digit, choice reaction etc) and three surveys. 

I have 32 participants split into two groups and each participant will carry out 1 each day. However to reduce the learning effect i need to create differences between the tests so i have Test A, B, C and D. I want to be able to give each participant a different experiment in a specific order as the weeks go by to be able to counterbalance (illustrated below). 

Is it therefore possible to counterbalance or offset <exp> through the webplatform and how do i do this in a specific order which changes each time they login? Does it need to relate to a participant identifier (like a group no.)? 

In addition i am currently producing each script separately (survey1, survey 2, survey 3, backward digit,etc) but i am struggling to combine <survey> with <htmlpage> for my preinstruction page is this not possible? I have seen that it is possible to change <surveys> to <block>, is there more detail on this?

Lastly in my survey i have a <page> of questions that i only want to appear if the last question on that page has a response of "Yes"? Is there an IF or Script Logic function available? 

Thankyou for your help. 

P.S. Fairly new to this so apologies for my terminology. 
 
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