Trying to achieve block randomization for 6 conditions

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Trying to achieve block randomization for 6 conditions

Trying to achieve block randomization for 6 conditions

Author	Message
bkorsmo	bkorsmo posted 6 Years Ago Topic Details Share Topic
Group: Forum Members Posts: 7, Visits: 86	I'm trying to achieve block randomization for 6 conditions. I'm hosting on millisecond.com. Here is how I'm trying it below but it doesnt seem to be working. <batch> / subjects = (1 of 6) / groupassignment = random /file="informed_consent_control_1.iqx" /file="intro_control.iqx" /file="intervention_control.iqx" /file="2_IAT_race.iqx" /file="survey_control.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (2 of 6) / groupassignment = random /file="informed_consent_BS.iqx" /file="intro_BS_1.iqx" /file="intervention_BS_1.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (3 of 6) / groupassignment = random /file="informed_consent_LKM.iqx" /file="intro_LKM.iqx" /file="intervention_LKM.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (4 of 6) / groupassignment = random /file="informed_consent_control_1.iqx" /file="intro_control.iqx" /file="intervention_control.iqx" /file="2_IAT_race.iqx" /file="survey_control.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (5 of 6) / groupassignment = random /file="informed_consent_BS.iqx" /file="intro_BS_1.iqx" /file="intervention_BS_1.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (6 of 6) / groupassignment = random /file="informed_consent_LKM.iqx" /file="intro_LKM.iqx" /file="intervention_LKM.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch>
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Dave	Dave posted 6 Years Ago ANSWER Post Details Share Post
Group: Administrators Posts: 13K, Visits: 104K	+x bkorsmo - Thursday, October 25, 2018 I'm trying to achieve block randomization for 6 conditions. I'm hosting on millisecond.com. Here is how I'm trying it below but it doesnt seem to be working. <batch> / subjects = (1 of 6) / groupassignment = random /file="informed_consent_control_1.iqx" /file="intro_control.iqx" /file="intervention_control.iqx" /file="2_IAT_race.iqx" /file="survey_control.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (2 of 6) / groupassignment = random /file="informed_consent_BS.iqx" /file="intro_BS_1.iqx" /file="intervention_BS_1.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (3 of 6) / groupassignment = random /file="informed_consent_LKM.iqx" /file="intro_LKM.iqx" /file="intervention_LKM.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (4 of 6) / groupassignment = random /file="informed_consent_control_1.iqx" /file="intro_control.iqx" /file="intervention_control.iqx" /file="2_IAT_race.iqx" /file="survey_control.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (5 of 6) / groupassignment = random /file="informed_consent_BS.iqx" /file="intro_BS_1.iqx" /file="intervention_BS_1.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (6 of 6) / groupassignment = random /file="informed_consent_LKM.iqx" /file="intro_LKM.iqx" /file="intervention_LKM.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> If you want condition assignment based on randomly generated group ids between 1 and 6, you need to set your <batch> elements' /grouassignment attributes to groupnumber, not random. <batch> / subjects = (1 of 6) / groupassignment = groupnumber /file="informed_consent_control_1.iqx" /file="intro_control.iqx" /file="intervention_control.iqx" /file="2_IAT_race.iqx" /file="survey_control.iqx" /file="final_page.iqx" </batch> ... <batch> / subjects = (6 of 6) / groupassignment = groupnumber /file="informed_consent_LKM.iqx" /file="intro_LKM.iqx" /file="intervention_LKM.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch>
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bkorsmo	bkorsmo posted 6 Years Ago ANSWER Post Details Share Post
Group: Forum Members Posts: 7, Visits: 86	+x Dave - Thursday, October 25, 2018 +x bkorsmo - Thursday, October 25, 2018 I'm trying to achieve block randomization for 6 conditions. I'm hosting on millisecond.com. Here is how I'm trying it below but it doesnt seem to be working. <batch> / subjects = (1 of 6) / groupassignment = random /file="informed_consent_control_1.iqx" /file="intro_control.iqx" /file="intervention_control.iqx" /file="2_IAT_race.iqx" /file="survey_control.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (2 of 6) / groupassignment = random /file="informed_consent_BS.iqx" /file="intro_BS_1.iqx" /file="intervention_BS_1.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (3 of 6) / groupassignment = random /file="informed_consent_LKM.iqx" /file="intro_LKM.iqx" /file="intervention_LKM.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (4 of 6) / groupassignment = random /file="informed_consent_control_1.iqx" /file="intro_control.iqx" /file="intervention_control.iqx" /file="2_IAT_race.iqx" /file="survey_control.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (5 of 6) / groupassignment = random /file="informed_consent_BS.iqx" /file="intro_BS_1.iqx" /file="intervention_BS_1.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> <batch> / subjects = (6 of 6) / groupassignment = random /file="informed_consent_LKM.iqx" /file="intro_LKM.iqx" /file="intervention_LKM.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> If you want condition assignment based on randomly generated group ids between 1 and 6, you need to set your <batch> elements' /grouassignment attributes to groupnumber, not random. <batch> / subjects = (1 of 6) / groupassignment = groupnumber /file="informed_consent_control_1.iqx" /file="intro_control.iqx" /file="intervention_control.iqx" /file="2_IAT_race.iqx" /file="survey_control.iqx" /file="final_page.iqx" </batch> ... <batch> / subjects = (6 of 6) / groupassignment = groupnumber /file="informed_consent_LKM.iqx" /file="intro_LKM.iqx" /file="intervention_LKM.iqx" /file="2_IAT_race.iqx" /file="survey_meditation.iqx" /file="final_page.iqx" </batch> Thanks Dave!
	Reply Like 35