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Working papers - BHF National Centre - physical activity + health

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programme evaluation CONTINUED<br />

Qualitative methods<br />

Type Description Applications Strengths Limitations<br />

Focus groups<br />

Semi-structured<br />

discussion (8-12<br />

people)<br />

Lead by facilitator who<br />

follows an outline<br />

and manages group<br />

dynamics<br />

Proceedings are<br />

recorded<br />

To gather in-depth<br />

information from<br />

small number of<br />

stakeholders<br />

Pre-test materials with<br />

target audience<br />

To develop better<br />

understanding of<br />

attitudes, opinions and<br />

language<br />

Often used to prepare<br />

larger survey<br />

Provides in-depth<br />

information<br />

Implementation and<br />

analysis requires<br />

minimum of<br />

specialised skills<br />

Can be inexpensive to<br />

implement<br />

Participants may<br />

influence each other<br />

Subjective<br />

Potential for factor bias<br />

Can be difficult to<br />

analyse<br />

Results are not<br />

quantifiable to a<br />

population<br />

In-depth interviews<br />

Telephone or inperson<br />

one-to-one<br />

interviews<br />

Interviewer follows<br />

an outline but has<br />

flexibility<br />

Usually 10 -40 per<br />

type of respondent<br />

To investigate sensitive<br />

issues with small<br />

numbers of people<br />

To develop better<br />

understanding of<br />

attitudes, opinions and<br />

language<br />

Provides a confidential<br />

environment<br />

Eliminates peer<br />

influence<br />

Opportunity to explore<br />

unexpected issues<br />

More detailed<br />

information than focus<br />

group<br />

More expensive<br />

to implement and<br />

analyse than focus<br />

groups<br />

Potential for<br />

interviewer bias<br />

Can be difficult to<br />

analyse<br />

Results are not usually<br />

quantifiable to the<br />

population<br />

Open ended survey<br />

questions<br />

Structure questions<br />

on a telephone or<br />

mail survey that allow<br />

respondent to provide<br />

a complete answer in<br />

their own words<br />

To add depth to<br />

survey results<br />

To further explore the<br />

reasons for answers to<br />

closed questions<br />

For exploratory<br />

questions<br />

Can provide depth<br />

with the potential to<br />

be quantified<br />

Adds depth to<br />

qualitative data<br />

Generalisable to the<br />

population<br />

Time consuming to<br />

analyse properly<br />

Adds considerable<br />

time to survey<br />

Not flexible<br />

Diaries<br />

Detailed account<br />

of aspects of your<br />

programme<br />

Ongoing<br />

documentation by one<br />

or more of participants<br />

Used primarily for<br />

process evaluation<br />

Puts other evaluation<br />

results in context<br />

Captures information<br />

you may not have<br />

thought of<br />

Very inexpensive to<br />

collect<br />

Can be difficult or<br />

expensive to analyse<br />

Observations are<br />

subjective<br />

Source: The Health Communication Unit at the <strong>Centre</strong> for Health Promotion, University of Toronto.<br />

www.utoronto.ca/chp/hcu/<br />

Section 4 Active for later life | 53

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