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Is the Group Traumatic Episode Protocol (G-TEP) Effective for Post-Traumatic Stress Disorder? A Meta-Analysis.

Dalkılınç G, Satıcı B. · Clinical psychology & psychotherapy · 2026 · Systematic review + meta-analysis

Original publication · Original publication

Recorded summary

Twelve G-TEP studies produced a large pooled reduction in PTSD symptoms (Hedges' g=1.28), supporting a feasible group option particularly after collective trauma.

Recorded limitations

The synthesis covers G-TEP generally, not online delivery alone or a veterans-only population, and the included methods and samples differed.

Evidence and provenance

Chapter Trust Factor uses a minimum of three distinct qualifying studies. Publication records retain their own evidence and assessment.

Study design and assessment
design
Systematic review + meta-analysis
assessment
category
peer-reviewed
peer Reviewed
true
basis
Publication identity and reported study design checked. Outcome blinding is not established in the material reviewed; no single- or double-blind RCT classification is assigned.
sources

https://pubmed.ncbi.nlm.nih.gov/42129972/ · https://doi.org/10.1002/cpp.70283

reviewed At
2026-10-23
trust Factor
score
1
scope
Paper
status
assessed
randomized Controlled Trial
false
blinding
not-applicable
peer Reviewed
true
basis
Publication identity and reported study design checked. Outcome blinding is not established in the material reviewed; no single- or double-blind RCT classification is assigned.
sources

https://pubmed.ncbi.nlm.nih.gov/42129972/ · https://doi.org/10.1002/cpp.70283

review Scope
Existing publication-specific assessments and bibliographic indexing; no blanket full-text appraisal.
assessed At
2026-10-27
jadad
status
unassessed
score
Not recorded
evidence
Not recorded
Topics and recorded topic scores
  1. key
    vision:group
    title
    Group EMDR
    collection
    vision
    trust Score
    2
Citation snapshot and identifiers
id
portal-66ebe89ad390
doi
10.1002/cpp.70283
pmid
42129972
citation Snapshot
count
1
source
Crossref
retrieved At
2026-10-23
citations By Collection
vision
1
Complete approved library record
id
portal-66ebe89ad390
publication Key
doi:10.1002/cpp.70283
aliases
None recorded
title
Is the Group Traumatic Episode Protocol (G-TEP) Effective for Post-Traumatic Stress Disorder? A Meta-Analysis.
journal
Clinical psychology & psychotherapy
neurotransmitters
None recorded
year
2026
authors
Dalkılınç G, Satıcı B.
design
Systematic review + meta-analysis
kind
Journal article
identity Conflict
Not recorded
doi
10.1002/cpp.70283
pmid
42129972
urls

https://pubmed.ncbi.nlm.nih.gov/42129972/ · https://doi.org/10.1002/cpp.70283

collections

vision

categories

Clinical & self-report

targets
None recorded
priority
1
quotes
None recorded
summary
Twelve G-TEP studies produced a large pooled reduction in PTSD symptoms (Hedges' g=1.28), supporting a feasible group option particularly after collective trauma.
limitation
The synthesis covers G-TEP generally, not online delivery alone or a veterans-only population, and the included methods and samples differed.
citation Count
1
citation Snapshot
count
1
source
Crossref
retrieved At
2026-10-23
study Design Assessment
category
peer-reviewed
peer Reviewed
true
basis
Publication identity and reported study design checked. Outcome blinding is not established in the material reviewed; no single- or double-blind RCT classification is assigned.
sources

https://pubmed.ncbi.nlm.nih.gov/42129972/ · https://doi.org/10.1002/cpp.70283

reviewed At
2026-10-23
paper Trust Assessment
score
1
scope
Paper
status
assessed
randomized Controlled Trial
false
blinding
not-applicable
peer Reviewed
true
basis
Publication identity and reported study design checked. Outcome blinding is not established in the material reviewed; no single- or double-blind RCT classification is assigned.
sources

https://pubmed.ncbi.nlm.nih.gov/42129972/ · https://doi.org/10.1002/cpp.70283

review Scope
Existing publication-specific assessments and bibliographic indexing; no blanket full-text appraisal.
assessed At
2026-10-27
citations By Collection
vision
1
topics
  1. key
    vision:group
    title
    Group EMDR
    collection
    vision
    trust Score
    2
journal Key
clinicalpsychologyandpsychotherapy
journal Label
Clinical psychology & psychotherapy
chapter Entries
  1. title
    Is the Group Traumatic Episode Protocol (G-TEP) Effective for Post-Traumatic Stress Disorder? A Meta-Analysis.
    journal
    Clinical psychology & psychotherapy
    year
    2026
    authors
    Dalkılınç G, Satıcı B.
    design
    Systematic review + meta-analysis
    urls

    https://pubmed.ncbi.nlm.nih.gov/42129972/ · https://doi.org/10.1002/cpp.70283

    doi
    10.1002/cpp.70283
    pmid
    42129972
    targets
    None recorded
    categories

    Clinical & self-report

    citation Count
    1
    citation Snapshot
    count
    1
    source
    Crossref
    retrieved At
    2026-10-23
    study Design Assessment
    category
    peer-reviewed
    peer Reviewed
    true
    basis
    Publication identity and reported study design checked. Outcome blinding is not established in the material reviewed; no single- or double-blind RCT classification is assigned.
    sources

    https://pubmed.ncbi.nlm.nih.gov/42129972/ · https://doi.org/10.1002/cpp.70283

    reviewed At
    2026-10-23
    record Id
    portal-66ebe89ad390
    quotes
    None recorded
    source Pages
    None recorded
    summary
    Twelve G-TEP studies produced a large pooled reduction in PTSD symptoms (Hedges' g=1.28), supporting a feasible group option particularly after collective trauma.
    limitation
    The synthesis covers G-TEP generally, not online delivery alone or a veterans-only population, and the included methods and samples differed.
    id
    vision-group-portal-66ebe89ad390
    paper Trust Assessment
    score
    1
    scope
    Paper
    status
    assessed
    randomized Controlled Trial
    false
    blinding
    not-applicable
    peer Reviewed
    true
    basis
    Publication identity and reported study design checked. Outcome blinding is not established in the material reviewed; no single- or double-blind RCT classification is assigned.
    sources

    https://pubmed.ncbi.nlm.nih.gov/42129972/ · https://doi.org/10.1002/cpp.70283

    review Scope
    Existing publication-specific assessments and bibliographic indexing; no blanket full-text appraisal.
    assessed At
    2026-10-27
    publication Key
    doi:10.1002/cpp.70283
    collection
    vision
    chapter Number
    3
    topic Id
    group
    topic Title
    Group EMDR
    trust Score
    2
jadad
status
unassessed
score
Not recorded
condition Evidence
  1. id
    ptsd
    evidence
    1. field
      title
      text
      Is the Group Traumatic Episode Protocol (G-TEP) Effective for Post-Traumatic Stress Disorder? A Meta-Analysis.
      matched Text
      Post-Traumatic Stress
  2. id
    trauma
    evidence
    1. field
      title
      text
      Is the Group Traumatic Episode Protocol (G-TEP) Effective for Post-Traumatic Stress Disorder? A Meta-Analysis.
      matched Text
      Traumatic
  3. id
    stress
    evidence
    1. field
      title
      text
      Is the Group Traumatic Episode Protocol (G-TEP) Effective for Post-Traumatic Stress Disorder? A Meta-Analysis.
      matched Text
      Stress
conditions

ptsd · trauma · stress

topic Trust Scores

2

full Text
status
not-indexed
retrieval Available
false

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