Teacher-rated bullying and peer rejection rose over four years of elementary school in both SWPBIS and comparison schools¶
Claim · All claims
Evidence · 1 study · causalr2·q3
Currency · newest study 2012 · checked against its sources 2026-10-18 (automated, 1 of 1 entry) · 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? Children in both intervention and comparison conditions showed increased risk of bullying involvement and peer rejection across the 4-year trial. → Waasdorp TE 2012
Evidence¶
Waasdorp TE 2012¶
Waasdorp TE, Bradshaw CP, Leaf PJ. (2012). The Impact of Schoolwide Positive Behavioral Interventions and Supports on Bullying and Peer Rejection: A Randomized Controlled Effectiveness Trial. Arch Pediatr Adolesc Med. 2012;166(2):149-156. https://doi.org/10.1001/archpediatrics.2011.755
q3 · i? · causal · r2
Slope terms from three-level HLM growth models (Figure 2) in the randomized trial show "children in both conditions generally experienced an in- creased risk" of bullying and rejection over 4 years, consistent with prior developmental research the authors cite.
"The slope terms (Figure 2) indicate that chil- dren in both conditions generally experienced an in- creased risk for involvement in bullying and peer rejec- tion during the 4-year trial."
Discussion¶
Learner Variables¶
- Safety — outcome: instruction changes it
Related Claims¶
- SWPBIS reduces the rate of increase in teacher-reported bullying perpetration over elementary school — the general claim this finding bears on, with the studies behind it¶
- SWPBIS reduces the rate of increase in teacher-reported peer rejection over elementary school — related
- SWPBIS produces a very small reduction in teacher-rated aggressive and disruptive behavior among elementary school children over 4 years (ES = 0.12) — related
- SWPBIS effects on peer rejection appeared strongest for children first exposed in earlier grades, the one significant grade-cohort interaction among those tested — related
- Sex and special education status did not significantly moderate SWPBIS effects on teacher-rated bullying and peer rejection — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
bullying-rejection-increase-approaching-middle-school |
title |
Teacher-rated bullying and peer rejection rose over four years of elementary school in both SWPBIS and comparison schools |
description |
Teacher-rated bullying and peer rejection rose over four years of elementary school in both SWPBIS and comparison schools |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2012 |
source_checked |
2026-10-18 |
generated |
by process:wiki-ingest on 2026-10-14 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — waasdorp-te-2012 |
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