Noreplace does not/will not work for item selection?

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Noreplace does not/will not work for item selection?

Noreplace does not/will not work for item selection?

Author	Message
Dave	Dave posted 7 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 13K, Visits: 104K	+x AndresR - Saturday, December 31, 2016 I couldn't figure out how to edit the first post so I'll add the info I forgot. I want every picture in the items list to be presented like this: SCattrAhi x2; SCattrAlo x2, targAhi x1; targAlo x1; targBhi x1; targBlo x1. Instead some SCattrA pictures are presented 5 times, instead of 4, in turn, some are presented 3 times. I need each picture to be presented an equal number of times. /trials= [1-48=noreplacenorepeat(targAhi, targAlo, targBhi, targBlo, SCattrAhi, SCattrAlo, SCattrAhi, SCattrAlo)] What this does is run 6 targAhi trials, 6 targAlo trials, 6 targBhi trials, 6 targBlo trials, 12 SCattrAhi trials, and 12 SCattrAlo trials. Item selection is a different matter; this would be determined by the respective <picture> elements' /select attributes. Try explicitly resetting the <picture> elements' selection /onblockbegin: <block measureSC> / onblockbegin = [picture.SCattrAhi.resetselection(); picture.SCattrAlo.resetselection(); ...] ... </block> Also make sure that the <trial> elements actually display the correct <picture> elements, i.e., <trial SCattrAhi> should display <picture SCattrAhi> <trial SCattrAhi> / stimulusframes = [1=SCattrAhi] ... </trial> and so forth.
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AndresR	AndresR posted 8 Years Ago ANSWER Post Details Share Post
Group: Forum Members Posts: 2, Visits: 20	I couldn't figure out how to edit the first post so I'll add the info I forgot. I want every picture in the items list to be presented like this: SCattrAhi x2; SCattrAlo x2, targAhi x1; targAlo x1; targBhi x1; targBlo x1. Instead some SCattrA pictures are presented 5 times, instead of 4, in turn, some are presented 3 times. I need each picture to be presented an equal number of times.
	Reply Like 74
AndresR	AndresR posted 8 Years Ago Topic Details Share Topic
Group: Forum Members Posts: 2, Visits: 20	Hello! I am trying to run a ST-SB-IAT and I want one block to run each trial once (8 trials) and each trial has 6 items. I want each trial and each item run once, so I've used the noreplace command (?) in both the picture element and in the block element. Block structure: <block measureSC> /trials= [1-48=noreplacenorepeat(targAhi, targAlo, targBhi, targBlo, SCattrAhi, SCattrAlo, SCattrAhi, SCattrAlo)] /bgstim= (label_targA,label_targB, label_SCattrAhi, label_SCattrAlo, divider) /preinstructions= (measureSC) /responsemode = correct /onblockend = [values.SCd = expressions.d] </block> Picture element structure: <picture SCattrAhi> /items = SCattrA /select = noreplacenorepeat /resetinterval = 0 /position = (50, values.posHI) /size = (20%, 20%) </picture> <picture SCattrAlo> /items = SCattrA /select = noreplacenorepeat /resetinterval = 0 /position = (50, values.posLO) /size = (20%, 20%) </picture> <picture targAhi> /items = targA /select = noreplacenorepeat /resetinterval = 0 /position = (50, values.posHI) /size = (20%, 20%) </picture> <picture targAlo> /items = targA /select = noreplacenorepeat /resetinterval = 0 /position = (50, values.posLO) /size = (20%, 20%) </picture> <picture targBhi> /items = targB /select = noreplacenorepeat /resetinterval = 0 /position = (50, values.posHI) /size = (20%, 20%) </picture> <picture targBlo> /items = targB /select = noreplacenorepeat /resetinterval = 0 /position = (50, values.posLO) /size = (20%, 20%) </picture> I know that the SCattr trials are in there twice - that's supposed to be like that. I want every picture in the items list to be presented like this: SCattrAhi x2; SCattrAlo x2, targAhi x1; targAlo x1; targBhi x1; targBlo x1. What am I doing wrong? I've scavenged through the threads on this forum that mention these topics but none of the fixes have helped me so far.
	Reply Like 73