Short answer

Implement a multi-stage detection process for at-risk populations, beginning with accessible, broad-spectrum tools and progressing to specialized assessments, to maximize identification and intervention.

Field: User-Centred Design
Source: LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (2012)
Method: Observational study with screening and specialized assessment phases.
Sample: The first study describes the results of a detection strategy over its first year of operation, identifying 2.4 cases per 10,000 inhabitants. The subsequent studies involved patients identified as HRMS.
Evidence: Strong effect

A phased detection approach, starting with broad community screening followed by specialized assessment, is more effective in identifying individuals at high risk for psychosis. This user-centred design research insight is drawn from a 2012 study published in LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas). Using Observational study with screening and specialized assessment phases. with The first study describes the results of a detection strategy over its first year of operation, identifying 2.4 cases per 10,000 inhabitants. The subsequent studies involved patients identified as HRMS., researchers explored how this design variable affects real-world outcomes. The key design takeaway: Implement a multi-stage detection process for at-risk populations, beginning with accessible, broad-spectrum tools and progressing to specialized assessments, to maximize identification and intervention.

Study

User-Centred DesignHigh ImpactStrong effect

Early Intervention in Psychosis: A Two-Stage Detection Strategy Improves Identification of High-Risk Individuals

A phased detection approach, starting with broad community screening followed by specialized assessment, is more effective in identifying individuals at high risk for psychosis.

LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) · 2012

Key Findings

01A two-stage detection strategy, incorporating community-level screening and specialized assessment, identified a higher incidence of high-risk individuals for psychosis (2.4 per 10,000 inhabitants).
02The predominant symptoms in identified individuals were negative and social deterioration, which are non-specific to other mental disorders.
03Inclusion of educational and social services in the referral network likely contributed to the higher detection rate.

Application

Design takeaway

How to apply

When designing public health campaigns or support services for mental health, consider creating different levels of engagement, from easily accessible informational resources to more in-depth assessment tools.

Project actions

01Consider how different user groups might interact with a screening tool.
02Think about the pathways users will take after an initial assessment.
03Explore how to make specialized services accessible to those identified through broader screening.

Method & Evidence

AimTo evaluate the effectiveness of a two-stage detection strategy for identifying individuals in a 'high-risk mental state' (HRMS) for psychosis.

MethodObservational study with screening and specialized assessment phases.

ProcedureThe study implemented a two-stage detection strategy: a broad community-level screening using a general instrument, followed by a more specific assessment for HRMS criteria in a specialized setting. The incidence of HRMS cases and their predominant symptoms were analyzed.

SampleThe first study describes the results of a detection strategy over its first year of operation, identifying 2.4 cases per 10,000 inhabitants. The subsequent studies involved patients identified as HRMS.

ContextMental health services, early intervention for psychosis.

Variables

IVTwo-stage detection strategy (vs. single-stage or no strategy).

DVIncidence of identified high-risk individuals for psychosis.

CVReferral network composition (e.g., inclusion of educational and social services).

Strengths & Limitations

Strengths

+Demonstrates a practical and potentially more effective approach to early detection.
+Highlights the importance of integrated service networks.

Limitations

The specific symptoms identified (negative and social deterioration) might be difficult to capture accurately with simple screening tools, and the effectiveness of the referral network is context-dependent.

Reliability & validity

The reliability of the screening instrument and the validity of the HRMS criteria are key considerations. The study's findings on incidence are likely valid within its specific context but may require further validation in different settings.

Think critically

How might the non-specific nature of early symptoms of psychosis impact the design of screening tools, and what are the ethical considerations of false positives and false negatives in such a system?

Design Principles

"Progressive screening and specialized assessment enhance the identification of at-risk individuals."

This insight is crucial for designing effective support systems and services. By understanding the nuances of early detection, designers can create more targeted interventions that reach individuals who might otherwise go unnoticed, leading to better long-term outcomes.

What This Means for Your Design

To find people who might be developing psychosis, it's best to first ask a lot of people general questions in the community, and then have a more detailed check-up for those who seem to need it.

How to use in your project

1.This research can inform the design of a user-centered screening or referral system for a specific at-risk group.
2.It provides evidence for the effectiveness of a phased approach in user engagement and service delivery.

Add to My Project

Quick Cite

Paragraph starter

The research by Quijada (2012) highlights the efficacy of a two-stage detection strategy for identifying individuals at high risk for psychosis. By employing a broad community-level screening followed by a more specialized assessment, the study demonstrated a higher incidence of detection, suggesting that integrated referral networks involving educational and social services can significantly enhance reach. This phased approach is a valuable model for designing user-centered systems that effectively guide individuals through engagement and assessment pathways.

Source

LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)

Impact on treatment outcome in the early stages of psychosis

journal · 2012

View source

Questions About This Research

What does the research say about early intervention in psychosis: a two-stage detection strategy improves identification of high-risk individuals?: Implement a multi-stage detection process for at-risk populations, beginning with accessible, broad-spectrum tools and progressing to specialized assessments, to maximize identification and intervention. Evidence: LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (2012).
Why does "Early Intervention in Psychosis: A Two-Stage Detection Strategy Improves Identification of High-Risk Individuals" matter for design?: This insight is crucial for designing effective support systems and services. By understanding the nuances of early detection, designers can create more targeted interventions that reach individuals who might otherwise go unnoticed, leading to better long-term outcomes.
How can designers apply this research?: Implement a multi-stage detection process for at-risk populations, beginning with accessible, broad-spectrum tools and progressing to specialized assessments, to maximize identification and intervention.
What were the main findings?: A two-stage detection strategy, incorporating community-level screening and specialized assessment, identified a higher incidence of high-risk individuals for psychosis (2.4 per 10,000 inhabitants).. The predominant symptoms in identified individuals were negative and social deterioration, which are non-specific to other mental disorders.. Inclusion of educational and social services in the referral network likely contributed to the higher detection rate.
What research method was used?: Observational study with screening and specialized assessment phases. with The first study describes the results of a detection strategy over its first year of operation, identifying 2.4 cases per 10,000 inhabitants. The subsequent studies involved patients identified as HRMS..
How strong is the evidence?: Evidence strength is rated Strong effect, based on a 2012 journal from LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas).
What should I do differently in my next project?: When designing public health campaigns or support services for mental health, consider creating different levels of engagement, from easily accessible informational resources to more in-depth assessment tools.
What are the limitations?: The study's findings on incidence may be specific to the implemented referral network and may not be generalizable without similar integrated services. The non-specific nature of early symptoms presents a diagnostic challenge.