[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100632115":3},{"organization":4,"armGroups":7,"interventions":30,"overallOfficials":36,"centralContacts":47,"locations":57,"responsibleParty":72,"collaborators":76,"id":82,"slug":83,"hasResults":84,"nctId":85,"briefTitle":86,"officialTitle":87,"acronym":36,"eligibilityCriteria":88,"healthyVolunteers":84,"sex":89,"minAge":90,"maxAge":91,"enrollmentInfo":92,"targetDuration":36,"studyType":95,"phases":96,"briefSummary":98,"conditions":99,"keywords":101,"overallStatus":59,"whyStopped":36,"lastUpdateSubmitDate":105,"lastUpdatePostDateStruct":106,"startDateStruct":109,"completionDateStruct":111,"leadSponsor":113,"locationsCount":114},{"fullName":5,"class":6},"Palacky University","OTHER",[8,14,19,24],{"label":9,"type":10,"description":11,"interventionNames":12},"Level-based","EXPERIMENTAL","Participants receive financial rewards based on a points system, where completed target behaviors are converted into points. Accumulated points determine progression through predefined levels, which represent increasing achievement. Higher levels correspond to higher reward value.",[13],"Behavioral: Level-based",{"label":15,"type":10,"description":16,"interventionNames":17},"Streak-Based","Participants receive financial rewards based on maintaining continuous engagement (streaks). Consecutive days of completing target behaviors unlock virtual equipment or items. Longer streaks result in more valuable rewards.",[18],"Behavioral: Streak-based",{"label":20,"type":10,"description":21,"interventionNames":22},"Combined Streak and level","Participants receive financial rewards based on a combination of levels, and streak-based mechanics. Target behaviors generate points contributing to level progression, while sustained engagement additionally unlocks streaks. This arm integrates both accumulation and consistency-based incentives.",[23],"Behavioral: Combined: level and streak",{"label":25,"type":26,"description":27,"interventionNames":28},"Control","ACTIVE_COMPARATOR","Participants use the same mobile application with gamification features, but financial rewards are not linked to levels, or streaks. Rewards are provided only for completing questionnaires. The total potential reward value is equivalent across all arms.",[29],"Behavioral: Control",[31,37,40,44],{"type":32,"name":33,"description":34,"armGroupLabels":35,"otherNames":36},"BEHAVIORAL","Streak-based","Participants use a mobile application with gamification elements. Daily completion of target behaviors maintains engagement streaks. Longer streaks unlock virtual items and higher-value financial rewards.",[15],null,{"type":32,"name":9,"description":38,"armGroupLabels":39,"otherNames":36},"Participants use a mobile application that incorporates gamification elements. Completing target behaviors within the app earns points, which contribute to progression through predefined levels. Advancement to higher levels results in higher financial rewards.",[9],{"type":32,"name":41,"description":42,"armGroupLabels":43,"otherNames":36},"Combined: level and streak","Participants use a mobile application with gamification elements. Points earned from completing target behaviors contribute to level progression, while consecutive daily engagement unlocks streak-based rewards. Both mechanisms operate simultaneously to provide financial incentives for achievement and consistency.",[20],{"type":32,"name":25,"description":45,"armGroupLabels":46,"otherNames":36},"Participants use a mobile application that includes gamification elements (e.g., points, levels, or streak indicators) as part of the user interface. However, these in-app gamification features are not financially incentivized. Monetary rewards are determined by questionnaire compliance.",[25],[48,53],{"name":49,"role":50,"phone":51,"phoneExt":36,"email":52},"Jan Dygrýn, Ph.D","CONTACT","+420585636741","jan.dygryn@upol.cz",{"name":54,"role":50,"phone":55,"phoneExt":36,"email":56},"Jana Pelclová, prof.","+420585636469","jana.pelclova@upol.cz",[58],{"facility":5,"status":59,"city":60,"state":36,"zip":36,"country":61,"countryCode":36,"cosmosGeoPoint":62,"geoPoint":67,"contacts":68},"RECRUITING","Olomouc","Czechia",{"type":63,"coordinates":64},"Point",[65,66],17.25175,49.59552,{"lat":66,"lon":65},[69],{"name":70,"role":50,"phone":71,"phoneExt":36,"email":52},"Dygryn","+420777837749",{"type":73,"investigatorFullName":74,"investigatorTitle":75,"investigatorAffiliation":5,"oldNameTitle":36,"oldOrganization":36},"PRINCIPAL_INVESTIGATOR","Zdenek Svoboda","Project Manager",[77,80],{"name":78,"class":79},"University of Hradec Hralove","UNKNOWN",{"name":81,"class":6},"Masaryk University","100632115","comparing-game-based-reward-systems-to-support-childrens-engagement-100632115",false,"NCT07509489","Comparing Game-Based Reward Systems to Support Children's Engagement:","Effect of Gamification-Based Incentive Schemes on Behavioral Adherence in Children","Inclusion Criteria:\n\nChildren aged 9-12 years Regular smartphone use (at least 4 days per week) Has access to a smartphone throughout most of the day Brings a smartphone to school Owns a personal smartphone with a touchscreen Owns a smartphone with Android operating system (version 9 or higher) Has access to mobile internet on their device Is allowed to use a smartphone at school during breaks (e.g., lunch or longer breaks) for questionnaire completion and to wear a smartwatch Native Czech speaker\n\nExclusion Criteria:\n\nDoes not meet one or more of the inclusion criteria Has a sibling already enrolled in the study","ALL","9 Years","12 Years",{"count":93,"type":94},160,"ESTIMATED","INTERVENTIONAL",[97],"NA","This Randomized Control Trial evaluates the impact of different gamification-based incentive schemes (levels, streaks and their combination) on adherence to target behaviors in children. Participants are randomized into four groups with different types of motivational frameworks.",[100],"Children",[102,103,104],"incentive","financial","behaviour","2026-05-05",{"date":107,"type":108},"2026-05-08","ACTUAL",{"date":110,"type":108},"2026-03-28",{"date":112,"type":94},"2027-12-01",{"name":5,"class":6},1]