# Believing People Can Change: A Randomized Controlled Trial of an Incremental Theory Intervention in Adolescence

> **NCT04133389** · NA · COMPLETED · sponsor: **University of Guelph** · enrollment: 576 (actual)

## Conditions studied

- Depressive Symptoms
- Happiness
- Life Satisfaction

## Interventions

- **OTHER:** Growth mindset of personality educational intervention
- **OTHER:** Growth mindset of athletic ability educational intervention

## Key facts

- **NCT ID:** NCT04133389
- **Lead sponsor:** University of Guelph
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-10-15
- **Primary completion:** 2020-03-06
- **Final completion:** 2020-03-06
- **Target enrollment:** 576 (ACTUAL)
- **Last updated:** 2020-04-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04133389

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04133389, "Believing People Can Change: A Randomized Controlled Trial of an Incremental Theory Intervention in Adolescence". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04133389. Licensed CC0.

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