Claims

School-led nature interventions increase positive affect in school students, though not in all studies

Claim · All claims
Evidence · 1 study (2 entries) · review r3 · q3
Currency · newest study 2024 · not yet checked against its sources · not reviewed by a person

Subclaims

Reading the evidence codes

q is the design tier, i the impact, n the sample, and the kind with its r the rigour judged within that kind: what each code means.

This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.

q3 i? Positive affect significantly increased after nature-related activities in school nature grounds and relaxing in school greenspace, but school garden lessons showed no significant effect on positive affect overall. → Vi Ly · Dianne A. Vella-Brodrick 2024

Evidence

Vi Ly · Dianne A. Vella-Brodrick 2024

Vi Ly · Dianne A. Vella-Brodrick. (2024). Effects of School-led Greenspace Interventions on Mental, Physical and Social Wellbeing in Children and Adolescents: A Systematic Review. Educational Psychology Review. https://doi.org/10.1007/s10648-024-09963-1

q3 · i? · review · r3

The review reports that in Harvey et al.'s repeated-measures studies, "positive affect significantly increased among 443 (Study 1) and 105 (Study 2) primary and secondary school students" after school nature-ground activities. No effect size is printed.

"Harvey et al. (2021) found that positive affect significantly increased among 443 (Study 1) and 105 (Study 2) primary and secondary school students after completing nature-related activities in the school nature grounds."

Vi Ly · Dianne A. Vella-Brodrick 2024 (2)

Vi Ly · Dianne A. Vella-Brodrick. (2024). Effects of School-led Greenspace Interventions on Mental, Physical and Social Wellbeing in Children and Adolescents: A Systematic Review. Educational Psychology Review. https://doi.org/10.1007/s10648-024-09963-1

q3 · i? · review · r3

The review reports a null main effect: Mason et al.'s experimental repeated-measures study of 65 primary students found "a significant effect of school lessons taught in the school garden" was absent for positive affect overall.

"Mason et al. (2022) did not find a significant effect of school lessons taught in the school garden (compared to indoor lessons) on positive affect among 65 primary school students."

Discussion

Page metadata
Field Value
type claim
id school-nature-interventions-increase-positive-affect
title School-led nature interventions increase positive affect in school students, though not in all studies
description School-led nature interventions increase positive affect in school students, though not in all studies
status review
evidence_strength moderate
newest_evidence 2024
generated by process:wiki-ingest on 2026-10-21
trust unverified — no one has confirmed this page's content
sources 2 — vi-ly-dianne-a-vella-brodrick-2024, vi-ly-dianne-a-vella-brodrick-2024-2

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