[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"trial:NCT06635577":3,"trial-entities:NCT06635577":79,"trial-summary:NCT06635577":82},{"id":4,"nct_id":4,"org_study_id":5,"brief_title":6,"official_title":7,"overall_status":8,"completion_date":9,"status_verified_date":10,"last_update_date":11,"start_date":12,"sponsor_name":13,"lead_sponsor_class":14,"has_dmc":15,"brief_summary":16,"detailed_description":17,"conditions":18,"keywords":20,"study_type":24,"primary_purpose":25,"phases":26,"enrollment_info":28,"interventions":31,"primary_outcomes":38,"secondary_outcomes":43,"sex":44,"minimum_age":45,"maximum_age":46,"healthy_volunteers":47,"eligibility_criteria":48,"std_ages":55,"locations":58,"central_contacts":68,"overall_officials":69,"references":70,"see_also_links":78},"NCT06635577","Pro2023001794","Modifying Cognitive Strategies for Comparing Proportions","Changing Quantitative Reasoning Across Development","ENROLLING_BY_INVITATION","2026-10","2026-02","2026-02-20","2024-10-21","Michelle Hurst, PhD","OTHER",false,"The goal of this study is to understand the cognitive processes underlying quantitative and relational reasoning, including the understanding of mathematical information (e.g., numbers, proportions, percentages, geometry) and related relational concepts (e.g., analogies, the concepts same\u002Fdifferent), as well as how people's reasoning can be changed by external factors. The main question it aims to answer is:\n\nHow does the introduction of a secondary task affect the behavior of children and adults when reasoning about proportions in different formats? Participants will be asked to make judgements about images with and without the presence of a distractor task.",null,[19],"Proportional Reasoning",[21,22,23],"proportions","mathematical concepts","strategy use","INTERVENTIONAL","BASIC_SCIENCE",[27],"NA",{"count":29,"type":30},300,"ESTIMATED",[32],{"type":33,"name":34,"description":35,"armGroupLabels":36},"BEHAVIORAL","Verbal Interference Task","During the second half of the study, participants will undergo an interference task such as repetition of the word \"the\"; or shadowing a radio broadcast in order to increase cognitive load and disrupt the use of a mental workspace.",[37],"Proportion Judgements",[39],{"measure":40,"description":41,"timeFrame":42},"Overall Performance","A proportion correct will be calculated, with a score closer to 1 indicating more questions answered correctly. Reaction time will also be tracked, with a faster reaction time indicating ease and\u002For efficiency with the task.","After enrollment in a single study session",[],"ALL","7 Years","64 Years",true,{"inclusion":49,"exclusion":51,"raw_text":54},[50],"Typically developing people within the target age range (either 8-years-old OR 18- to 64-years-old) for the study version",[52,53],"Individuals with known developmental or cognitive disorders","Participants or parents of participants must speak\u002Fread sufficient English to read and complete the informed consent document","Inclusion Criteria:\n\n* Typically developing people within the target age range (either 8-years-old OR 18- to 64-years-old) for the study version\n\nExclusion Criteria:\n\n* Individuals with known developmental or cognitive disorders\n* Participants or parents of participants must speak\u002Fread sufficient English to read and complete the informed consent document",[56,57],"CHILD","ADULT",[59],{"facility":60,"city":61,"state":62,"zip":63,"country":64,"geoPoint":65},"Rutgers Center for Cognitive Science","Piscataway","New Jersey","08854","United States",{"lat":66,"lon":67},40.49927,-74.39904,[],[],[71,75],{"pmid":72,"type":73,"citation":74},"18793078","BACKGROUND","Boyer TW, Levine SC, Huttenlocher J. Development of proportional reasoning: where young children go wrong. Dev Psychol. 2008 Sep;44(5):1478-90. doi: 10.1037\u002Fa0013110.",{"pmid":76,"type":73,"citation":77},"39153444","Hurst MA, Piantadosi ST. Continuous and discrete proportion elicit different cognitive strategies. Cognition. 2024 Nov;252:105918. doi: 10.1016\u002Fj.cognition.2024.105918. Epub 2024 Aug 16.",[],{"nct_id":4,"conditions":80,"biomarkers":81},[19],[],{"nct_id":4,"found":15,"summary":17,"prompt_version":17}]