What is event sampling?
Involves counting the number of times a particular behaviour occurs in a group
What is time sampling?
Recording behaviour within a pre-established timeframe
What is continuous recording?
Key feature of a unstructured observation in which all instances of a target are recorded
What are the different types of sampling?
Random sampling
Systematic sampling
Opportunity sampling
Stratified sampling
Volunteer sampling
What is inter - rather reliability?
The extent to which two or more observers agree and record the same thing
How can the inter - rater reliability be assessed ?
Assess it by correlating the results
If correlation Co-efficient is weak then you need to improve the study