## Priming paradigm: Using primes and targets within a condition just...

 Author Message Loli Associate Member Group: Forum Members Posts: 5, Visits: 23 Dear all, Currently I am programming an experiment, which contains akind of priming paradigm. I got two categories of ten different priming words (= 20primes) and two categories of ten different target words (= 20 targets). When Icombine the priming words with the categories, I get 4 different conditions,each containing 10 primes and 10 targets. In each condition I would like to pair a prime with atarget. Every prime and every target in the condition should be used once. Butwhich prime is paired with which target should be random. Unfortunaltey, when I programmed the experiment, some primesand targets within a condition are used more often than once, while others werenot used at all. Can you help me with this problem? Thank you very much!  This is how I defined the items:/1 = "cat1word1"/2 = " cat1word 2"/3 = " cat1word 3"/4 = " cat1word 4"/5 = " cat1word 5"/6 = " cat1word 6"/7 = " cat1word 7"/8 = " cat1word 8"/9 = " cat1word 9"/10 = " cat1word10"  / items= items_cat1words / position = (50,50)/ select = noreplacenorepeat  This is how I defined the trials:/ stimulustimes = [0 = fixation; 500 = blank; 1000 =cat1prime; 1200 = blank; 1250 = cat2word] / response = timeout(2000)/ validresponse = ("A", "a","6")/ correctresponse = ("A", "a")/ posttrialpause = (1500) And this is how i defined the block:/ bgstim = (bgword, bgnonword)/ trials = [1-40 = noreplacenorepeat(t.1, t.2, t.3, t.4)] / preinstructions = (instructions) Dave Supreme Being Group: Administrators Posts: 8.5K, Visits: 35K +xLoli - Saturday, January 7, 2017Dear all, Currently I am programming an experiment, which contains akind of priming paradigm. I got two categories of ten different priming words (= 20primes) and two categories of ten different target words (= 20 targets). When Icombine the priming words with the categories, I get 4 different conditions,each containing 10 primes and 10 targets. In each condition I would like to pair a prime with atarget. Every prime and every target in the condition should be used once. Butwhich prime is paired with which target should be random. Unfortunaltey, when I programmed the experiment, some primesand targets within a condition are used more often than once, while others werenot used at all. Can you help me with this problem? Thank you very much!  This is how I defined the items:/1 = "cat1word1"/2 = " cat1word 2"/3 = " cat1word 3"/4 = " cat1word 4"/5 = " cat1word 5"/6 = " cat1word 6"/7 = " cat1word 7"/8 = " cat1word 8"/9 = " cat1word 9"/10 = " cat1word10"  / items= items_cat1words / position = (50,50)/ select = noreplacenorepeat  This is how I defined the trials:/ stimulustimes = [0 = fixation; 500 = blank; 1000 =cat1prime; 1200 = blank; 1250 = cat2word] / response = timeout(2000)/ validresponse = ("A", "a","6")/ correctresponse = ("A", "a")/ posttrialpause = (1500) And this is how i defined the block:/ bgstim = (bgword, bgnonword)/ trials = [1-40 = noreplacenorepeat(t.1, t.2, t.3, t.4)] / preinstructions = (instructions)If I understand your description correctly you want 4 trial types:(1) cat 1 prime - cat 1 target(2) cat 1 prime - cat 2 target(3) cat 2 prime - cat 1 target(4) cat 2 prime - cat 2 targetIf there are 10 items each (10 cat 1 primes, 10 cat 2 primes, 10 cat 1 targets, 10 cat 2 targets) and you want each item used in every one of the 4 conditions / combinations above, you need to set up separate stimulus elements per condition. I.e.// prime items// c1 /1 = " cat1prime 1"/2 = " cat1prime 2"/3 = " cat1prime 3"/4 = " cat1prime 4"/5 = " cat1prime 5"/6 = " cat1prime 6"/7 = " cat1prime 7"/8 = " cat1prime 8"/9 = " cat1prime 9"/10 = " cat1prime"// c2/1 = " cat2prime 1"/2 = " cat2prime 2"/3 = " cat2prime 3"/4 = " cat2prime 4"/5 = " cat2prime 5"/6 = " cat2prime 6"/7 = " cat2prime 7"/8 = " cat2prime 8"/9 = " cat2prime 9"/10 = " cat2prime"// target items// c1/1 = "cat1word1"/2 = " cat1word 2"/3 = " cat1word 3"/4 = " cat1word 4"/5 = " cat1word 5"/6 = " cat1word 6"/7 = " cat1word 7"/8 = " cat1word 8"/9 = " cat1word 9"/10 = " cat1word10"// c2/1 = "cat2word1"/2 = " cat2word 2"/3 = " cat2word 3"/4 = " cat2word 4"/5 = " cat2word 5"/6 = " cat2word 6"/7 = " cat2word 7"/8 = " cat2word 8"/9 = " cat2word 9"/10 = " cat2word10"// prime stimuli// primes in c1 prime / c1 target condition/ items= items_cat1primes/ position = (50,50)/ select = noreplace// primes in c2 prime / c1 target condition/ items= items_cat2primes/ position = (50,50)/ select = noreplace// primes in c1 prime / c2 target condition/ items= items_cat1primes/ position = (50,50)/ select = noreplace// primes in c2 prime / c2 target condition/ items= items_cat2primes/ position = (50,50)/ select = noreplace// target stimuli// targets in c1 prime / c1 target condition/ items= items_cat1words/ position = (50,50)/ select = noreplace// targets in c2 prime / c1 target condition/ items= items_cat1words/ position = (50,50)/ select = noreplace// targets in c1 prime / c2 target condition/ items= items_cat2words/ position = (50,50)/ select = noreplace// targets in c2 prime / c2 target condition/ items= items_cat2words/ position = (50,50)/ select = noreplace//trials// c1 prime + c1 target/ stimulustimes = [0 = fixation; 500 = blank; 1000 =c1p_c1t_prime; 1200 = blank; 1250 = c1p_c1t_target]...// c1 prime + c2 target/ stimulustimes = [0 = fixation; 500 = blank; 1000 =c1p_c2t_prime; 1200 = blank; 1250 = c1p_c2t_target]...// c2 prime + c1 target/ stimulustimes = [0 = fixation; 500 = blank; 1000 =c2p_c1t_prime; 1200 = blank; 1250 = c2p_c1t_target]...// c2 prime + c2 target/ stimulustimes = [0 = fixation; 500 = blank; 1000 =c2p_c2t_prime; 1200 = blank; 1250 = c2p_c2t_target].../ bgstim = (bgword, bgnonword)/ trials = [1-40 = noreplacenorepeat(c1p_c1t, c1p_c2t, c2p_c1t, c2p_c2t)]/ preinstructions = (instructions) Loli Associate Member Group: Forum Members Posts: 5, Visits: 23 Thank you very much!!! It worked :-)