Random Photos

[mikes...@gmail.com]

I am designing a study where I need to put faces into a trial list and then randomly present them. I have done some work before with E-Prime and from what I have seen the only way you can randomize is through a Trial list. Therefore, how would I be able to put photos into the program and present them randomly.  I've read some pages about nested list but I still can't actually get the photo!

Thank you!!

-Mike

[KatrinH Heimann]

Dear Mike, I am sorry, but I don't see your problem. Normally, in a list, you put under a stimulus attribute the name of a photo-file. Thus you create as many lines of the list as you wanna have trials, filling them with the filenames you attend to use.  Then you randomize this list. In the trialprocedure in the pictureslide you then just have to refer to this attribute (for example [picture]) (so where you would normally write the name of the file, you now write [picture] and eprime will look in the attribute of the trial it is running right now to determine the filename. 

This is all very well explained in the Eprime basic help.. Or did I get your question wrongly?

Best

Katrin

2013/6/3 <mikes...@gmail.com>

I am designing a study where I need to put faces into a trial list and then randomly present them. I have done some work before with E-Prime and from what I have seen the only way you can randomize is through a Trial list. Therefore, how would I be able to put photos into the program and present them randomly.  I've read some pages about nested list but I still can't actually get the photo!

Thank you!!

-Mike

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[mikes...@gmail.com]

Katrin,

I know how to do all that I guess the only problem I am having is getting to photo in through the file name what should I be looking for to input the file? An address or the name of the file? Thanks so much for the reply!

[KatrinH Heimann]

Dear Mike, you have to put the filename in the listobject. Then the file should be in the same folder than your experiment :)

Cheers

Katrin

2013/6/4 <mikes...@gmail.com>

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[mikes...@gmail.com]

Katrin,

If you wouldn't mind could you explain the process of putting them into listobject? Thank you so much after that I should be all set!!

[KatrinH Heimann]

it is what I wrote in the first mail

you just create a new attribute

calling it for example pictures

then, in each line you write the filename

for example pic1.jpg

and then you refer to that attribute in the slide showing the picture

it is also all explained in the basic eprime help

k

2013/6/4 <mikes...@gmail.com>

Katrin,

If you wouldn't mind could you explain the process of putting them into listobject? Thank you so much after that I should be all set!!

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[mikes...@gmail.com]

Thank you so much for all your help! I figured it all out you were a great help!!! I just have one more question now if I have say 60 pictures appearing randomly and I want a question to appear after each one how would I do that? does it have to do with nesting list?

Thank you I promise this is my last question! :)

-Mike

[KatrinH Heimann]

ehm, well, just put a textslide after the pictureslide?

do you want the question also always to be different? then you have to work with another listattribute and a small inline...

best

katrin

2013/6/5 <mikes...@gmail.com>

Thank you so much for all your help! I figured it all out you were a great help!!! I just have one more question now if I have say 60 pictures appearing randomly and I want a question to appear after each one how would I do that? does it have to do with nesting list?

Thank you I promise this is my last question! :)

-Mike

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