Skip to main content

Table 1 Assessment criteria for intervention research categorization

From: Public health research outputs from efficacy to dissemination: a bibliometric analysis

Type of Research

Study design

Intervention scale

Focus on outcome/impact measures

Focus on process evaluation

Internal validity

External validity (generaliz-ability)

Measures of system Adoption

Cost per participant

Population Reach

1. Efficacy

studies

*RCT

*Limited to study subjects - small

High

Lower

Highest

Lower

Lower

*Higher

*Study subjects

 

*Cluster RCT

        

2. Replication

studies

* RCTs

*Limited to study subjects (multiple sites) - moderate

High

Moderate

Moderate

Moderate

Moderate

*Moderate

*Study subjects in new target groups or settings

 

*Cluster RCT

        
 

*Step wedge trial

        
 

*Quasi-experimental designs

        

3. Dissemination

studies

*Step wedge trial

*System level - large

Moderate

Highest

Lower

Higher

Higher

*Lower cost per participant.

*Broad population reach (Multiple populations and settings)

 

*Quasi-experimental designs

      

*Measures of system adoption costs.

Â