Evidence-Informed Public Health

EIPH Wheel - Define

Clearly define the question or problem.Search Appraise Synthesize Adapt Implement Evaluate

Define: Clearly define the question or problem

The first step of the evidence-informed public health process is to clearly define the question or problem in a searchable and answerable format. This step of the EIPH process helps you answer the questions:

“Who is my target group? What is the issue we are dealing with?
What specifically are we trying to change?”

Use four elements to frame a question about the effectiveness of a public health intervention:

Outlining the search terms using the PICO format helps you develop a focused search strategy for locating the best available research evidence.

Different types of questions call for different types of research methods. For example, qualitative questions should identify:

For information about clearly defining a question, using the PICO format please review this section of the Introduction to Evidence-Informed Decision Making module.

To learn more about the different types of questions relevant to public health and related research designs, check out our online module entitled Quantitative Research Designs 101: Addressing Practice-Based Issues in Public Health. All our online modules are housed in NCCMT’s Learning Centre.