What is a pilot study?
Small-scale trial run of the actual investigation
Why is a pilot study conducted?
To check procedures, materials, measuring scale etc.
Make modifications if necessary
When can a pilot study be useD?
In any experiment, observation, interview or questionnaire
What is double blind?
Neither the researcher or the participant knows the aims of the investigation.
What is single blind?
Participant doesn’t know the aims of the study but researcher does
What is reduced due to single blind?
Demand characteristics
What is a control group?
- Help establish causation