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Matryoshka Project: lessons learned about early intervention in psychosis programme development

2011· article· en· W1904914636 on OpenAlexaff
Chiachen Cheng, Carolyn S. Dewa, Paula Goering

Bibliographic record

VenueEarly Intervention in Psychiatry · 2011
Typearticle
Languageen
FieldMedicine
TopicSchizophrenia research and treatment
Canadian institutionsCanadian Mental Health AssociationUniversity of TorontoCentre for Addiction and Mental Health
Fundersnot available
KeywordsIntervention (counseling)PsychosisEarly psychosisPsychologyPsychiatry

Abstract

fetched live from OpenAlex

AIM: This part of the Matryoshka project sought to understand the processes with which early intervention in psychosis (EIP) programmes were implemented and developed. The goals were to understand the key influences of programme implementation in the context of rapid EIP service growth and lack of specific provincial guidelines. METHODS: Sampling was purposive and data were collected with semi-structured interviews. Five Matryoshka Project programmes were successfully contacted. All interviews were conducted by phone, recorded and transcribed verbatim. Emerging themes were analysed iteratively and discussed among authors. Key themes were validated with participants. RESULTS: The new EIP services were significantly influenced by the provincial EIP network, advocacy groups and clinical mentors. EIP programme decision makers often relied on each other for guidance. Although the research evidence assisted programme decision makers to develop an effective EIP model for their region, implementation was often shaped by funding constraints. Programmes adapted their EIP models according to funding and local service characteristics. The lack of specific guidelines may have allowed innovation; programme creativity and diversity is consistent with EIP values. Despite the challenges related to geography and staffing, programmes experienced important successes such as partnerships across sectors, quality clinical service and the ability to engage hard-to-serve clientele. CONCLUSIONS: Although important, research evidence played only a secondary role. Relationships among providers and services, coupled with the dedication of front-line staff, were more critical to knowledge exchange than written documents alone. These findings stress the importance of researcher-front-line relationships to the adoption of evidence-informed practice.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.024
metaresearch head score (Gemma)0.028
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.024
Threshold uncertainty score0.128

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0240.028
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0040.003
Scholarly communication0.0030.003
Open science0.0030.009
Research integrity0.0010.004
Insufficient payload (model declined to judge)0.0060.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.086
GPT teacher head0.375
Teacher spread0.289 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations16
Published2011
Admission routes1
Has abstractyes

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