correct response via keys during learing trial

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correct response via keys during learing trial

correct response via keys during learing trial

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rouge	rouge posted 11 Years Ago ANSWER Post Details Share Post
Group: Forum Members Posts: 32, Visits: 73	Dear Dave, in regard to the above mentionned experiment I have another question: Participants are presented letter of strings. After the presentation they shall remember the presented string of letters (typing via keys). If participants do not remember the string correctly, the string of letters reappears. After any third incorrect entry, participants shall be reminded to try not to make mistakes (<text stimuli>) and, then, a NEW string shall be presented on the next trial. I tried to write a branch, in which the text stimuli appears after three incorrect answers. Unfortunatelly, it does not work. I think, I would have to integrate <trial konzentration> within the <block training>. But I do not know how. Furthermore, I am uncertain weather I am allowed to integrate a <trial> (trial konzentration) within an <openended> ? Excuse me for those programming concerning non-logical questions! And thank you very much in advance for your help! Best greetings <openended MVRVM> / stimulustimes = [0=fixation; 1000=MVRVM; 5000=mask] / validresponse = (anyresponse) / correctresponse = ("MVRVM") / branch = [if (openended.MVRVM.error && openended.MVRVM.count < 3) openended.MVRVM] / branch = [if (openended.MVRVM.error && openended.MVRVM.count = 3) trial.konzentration] </openended> <openended VMRMVRV> / stimulustimes = [0=fixation; 1000=VMRMVRV; 5000=mask] / validresponse = (anyresponse) / correctresponse = ("VMRMVRV") / branch = [if (openended.VMRMVRV.error && openended.VMRMVRV.count < 3) openended.VMRMVRV] / branch = [if (openended.VMRMVRV.error && openended.VMRMVRV.count = 3) trial.konzentration] </openended> <openended VMRMVXR> / stimulustimes = [0=fixation; 1000=VMRMVXR; 5000=mask] / validresponse = (anyresponse) / correctresponse = ("VMRMVXR") / branch = [if (openended.VMRMVXR.error && openended.VMRMVXR.count < 3) openended.VMRMVXR] / branch = [if (openended.VMRMVXR.error && openended.VMRMVXR.count = 3) trial.konzentration] </openended> <trial konzentration> / stimulustimes = [1=konzentration_erinnerung; 5000=mask] / validresponse = ("l") / correctresponse = ("l") </trial> <block training> / trials = [1-16 = noreplace(MXRVXT, VMTRRRR, MXTRRR, VXVRMXT, VXVRVM, VMRVVVV, MXRTMVR, VMRMXTR, MXR, VMRVXVR, MVRVM, VMRMVRV, VMRMVXR, MXRTVXT, MXRMVXR, MVXTR)] /preinstructions = (wellcome, training_instruktion) </block>
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Dave	Dave posted 11 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 13K, Visits: 108K	Look at / branch = [if (openended.MVRVM.error && openended.MVRVM.count = 3) trial.konzentration] Note that '=' is the assignment operator. It is not a comparison operator ('==', etc.), which is what you want / need here. Please refer to the "Operators" and "Conditional Statements" topics in the documentation for details. Amend your code along the below lines: <text a> / items = ("A") / position = (50%, 40%) </text> <text b> / items = ("B") / position = (50%, 40%) </text> <text c> / items = ("C") / position = (50%, 40%) </text> <text fixation> / items = ("+") / position = (50%, 40%) </text> <text mask> / items = (" ") / position = (50%, 40%) </text> <text konzentration_erinnerung> / items = ("Bitte konzentrieren Sie sich!") / position = (50%, 40%) </text> <openended a> / stimulustimes = [0=fixation; 1000=a; 5000=mask] / validresponse = (anyresponse) / correctresponse = ("a") / branch = [if (openended.a.error && openended.a.count < 3) openended.a] / branch = [if (openended.a.error && openended.a.count >= 3) trial.konzentration] </openended> <openended b> / stimulustimes = [0=fixation; 1000=b; 5000=mask] / validresponse = (anyresponse) / correctresponse = ("b") / branch = [if (openended.b.error && openended.b.count < 3) openended.b] / branch = [if (openended.b.error && openended.b.count >= 3) trial.konzentration] </openended> <openended c> / stimulustimes = [0=fixation; 1000=c; 5000=mask] / validresponse = (anyresponse) / correctresponse = ("c") / branch = [if (openended.c.error && openended.c.count < 3) openended.c] / branch = [if (openended.c.error && openended.c.count >= 3) trial.konzentration] </openended> <trial konzentration> / stimulustimes = [1=konzentration_erinnerung; 5000=mask] / validresponse = ("l") / correctresponse = ("l") </trial> <block training> / trials = [1-3 = noreplace(a,b,c)] </block>
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rouge	rouge posted 11 Years Ago ANSWER Post Details Share Post
Group: Forum Members Posts: 32, Visits: 73	Dear David, thank you very much for your kind help! It works perfectly! Best greetings and have a good day!
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