Randomising item location dependent on other item location

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Randomising item location dependent on other item location

Randomising item location dependent on other item location

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Beth	Beth posted 8 Years Ago Topic Details Share Topic
Group: Forum Members Posts: 17, Visits: 41	I am trying to randomise the location of 4 items on the screen (randomising both vposition and hposition), but have one item's location always dependent on the location of the other (e.g. I always want feature5 to appear in the same "column" as SharedA, but feature8 to always appear in the same "column" as RareA", but have all 4 positions change randomly, except for the latter contingency, so that the vposition and hposition of each pair swap between each "column" and hposition). I can't quite get the code to work so any help would be much appreciated. Right now the pictures seem to be appearing on top of each other and I think it's because I'm re-using the values twice, but can't seem to get it to work any other way. <block exampleblock> / trials = [1-10 = Atrials] </block> <values> / a_pos_h = 0% / wrong_pos_h = 0% / a_pos_v = 0% / wrong_pos_v = 0% </values> <counter colorcounter_h> / items = (1,2) / select = noreplace / selectionrate = always </counter> <counter positioncounter_h> / items = (40%,60%) / select = noreplace / selectionrate = always </counter> <counter colorcounter_v> / items = (1,2) / select = noreplace / selectionrate = always </counter> <counter positioncounter_v> / items = (30%,70%) / select = noreplace / selectionrate = always </counter> <trial Atrials> / ontrialbegin = [values.a_pos_h = counter.positioncounter_h.selectedvalue; values.wrong_pos_h = counter.positioncounter_h.selectedvalue; values.a_pos_v = counter.positioncounter_v.selectedvalue; values.wrong_pos_v = counter.positioncounter_v.selectedvalue;] / stimulusframes = [1=ListA,listA_partner,wronglistA,wronglistA_partner,keybindings1,keybindings2] / validresponse = (30, 38) / iscorrectresponse = [(values.a_pos_h==40% && trial.Atrials.response==30) \|\| (values.a_pos_h==60% && trial.Atrials.response==38)] </trial> <picture ListA> / items = ListA / select = colorcounter_h / select = colorcounter_v / hposition = values.a_pos_h / vposition = values.a_pos_v </picture> <picture ListA_partner> / items = ListA_partner / select = current(ListA) / select = colorcounter_h / select = colorcounter_v / hposition = values.a_pos_h / vposition = values.a_pos_v </picture> <picture wronglistA> / items = wronglistA / select = colorcounter_h / select = colorcounter_v / hposition = values.wrong_pos_h / vposition = values.a_pos_v </picture> <picture wronglistA_partner> / items = wronglistA_partner / select = current(wrongListA_partner) / select = colorcounter_h / select = colorcounter_v / hposition = values.wrong_pos_h / vposition = values.a_pos_v </picture> <item ListA> / 1 = "SharedA.jpg" / 2 = "SharedA.jpg" / 3 = "SharedA.jpg" / 4 = "SharedA.jpg" </item> <item ListA_partner> / 1 = "feature5.png" / 2 = "feature5.png" / 3 = "feature5.png" / 4 = "feature5.png" </item> <item wronglistA> / 1 = "RareA.jpg" / 2 = "RareA.jpg" / 3 = "RareA.jpg" / 4 = "RareA.jpg" </item> <item wronglistA_partner> / 1 = "feature8.png" / 2 = "feature8.png" / 3 = "feature8.png" / 4 = "feature8.png" </item>
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Dave	Dave posted 8 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 13K, Visits: 105K	+x Beth - Wednesday, August 16, 2017 I am trying to randomise the location of 4 items on the screen (randomising both vposition and hposition), but have one item's location always dependent on the location of the other (e.g. I always want feature5 to appear in the same "column" as SharedA, but feature8 to always appear in the same "column" as RareA", but have all 4 positions change randomly, except for the latter contingency, so that the vposition and hposition of each pair swap between each "column" and hposition). I can't quite get the code to work so any help would be much appreciated. Right now the pictures seem to be appearing on top of each other and I think it's because I'm re-using the values twice, but can't seem to get it to work any other way. <block exampleblock> / trials = [1-10 = Atrials] </block> <values> / a_pos_h = 0% / wrong_pos_h = 0% / a_pos_v = 0% / wrong_pos_v = 0% </values> <counter colorcounter_h> / items = (1,2) / select = noreplace / selectionrate = always </counter> <counter positioncounter_h> / items = (40%,60%) / select = noreplace / selectionrate = always </counter> <counter colorcounter_v> / items = (1,2) / select = noreplace / selectionrate = always </counter> <counter positioncounter_v> / items = (30%,70%) / select = noreplace / selectionrate = always </counter> <trial Atrials> / ontrialbegin = [values.a_pos_h = counter.positioncounter_h.selectedvalue; values.wrong_pos_h = counter.positioncounter_h.selectedvalue; values.a_pos_v = counter.positioncounter_v.selectedvalue; values.wrong_pos_v = counter.positioncounter_v.selectedvalue;] / stimulusframes = [1=ListA,listA_partner,wronglistA,wronglistA_partner,keybindings1,keybindings2] / validresponse = (30, 38) / iscorrectresponse = [(values.a_pos_h==40% && trial.Atrials.response==30) \|\| (values.a_pos_h==60% && trial.Atrials.response==38)] </trial> <picture ListA> / items = ListA / select = colorcounter_h / select = colorcounter_v / hposition = values.a_pos_h / vposition = values.a_pos_v </picture> <picture ListA_partner> / items = ListA_partner / select = current(ListA) / select = colorcounter_h / select = colorcounter_v / hposition = values.a_pos_h / vposition = values.a_pos_v </picture> <picture wronglistA> / items = wronglistA / select = colorcounter_h / select = colorcounter_v / hposition = values.wrong_pos_h / vposition = values.a_pos_v </picture> <picture wronglistA_partner> / items = wronglistA_partner / select = current(wrongListA_partner) / select = colorcounter_h / select = colorcounter_v / hposition = values.wrong_pos_h / vposition = values.a_pos_v </picture> <item ListA> / 1 = "SharedA.jpg" / 2 = "SharedA.jpg" / 3 = "SharedA.jpg" / 4 = "SharedA.jpg" </item> <item ListA_partner> / 1 = "feature5.png" / 2 = "feature5.png" / 3 = "feature5.png" / 4 = "feature5.png" </item> <item wronglistA> / 1 = "RareA.jpg" / 2 = "RareA.jpg" / 3 = "RareA.jpg" / 4 = "RareA.jpg" </item> <item wronglistA_partner> / 1 = "feature8.png" / 2 = "feature8.png" / 3 = "feature8.png" / 4 = "feature8.png" </item> If I'm understanding your description correctly, then the following process should work: <values> / shared_column = 0 / rare_column = 0 / shared_a_row = 0 / feature_5_row =0 / rare_a_row = 0 / feature_8_row =0 </values> // columns are defined by horizontal position <list columns> / items = (40%, 60%) / selectionrate = always </list> // rows are defined by vertical position <list rows> / items = (30%, 70%) / selectionrate = always </list> //#1 pick random columns for "shared" and "rare" //#2 pick random rows for "shared a" and "feature 5" //#3 pick random rows for "rare a" and "feature 8" <trial example> / ontrialbegin = [values.shared_column = list.columns.nextvalue; values.rare_column = list.columns.nextvalue;] / ontrialbegin = [values.shared_a_row = list.rows.nextvalue; values.feature_5_row = list.rows.nextvalue; ] / ontrialbegin = [values.rare_a_row = list.rows.nextvalue; values.feature_8_row = list.rows.nextvalue; ] / stimulusframes = [1=shared_a, feature_5, rare_a, feature_8] / validresponse = (57) </trial> <text shared_a> / items = ("Shared A") / hposition = values.shared_column / vposition = values.shared_a_row </text> <text feature_5> / items = ("Feature 5") / hposition = values.shared_column / vposition = values.feature_5_row </text> <text rare_a> / items = ("Rare A") / hposition = values.rare_column / vposition = values.rare_a_row </text> <text feature_8> / items = ("Feature 8") / hposition = values.rare_column / vposition = values.feature_8_row </text> <block myblock> / trials = [1-10 = example] </block>
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