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What are the 2 types of sampling method in structured observations?
Event sampling
Time sampling
What is event sampling?
Counting the amount of times a behaviour occurs in an individual
Acts as a frequency count
What is a strength of event sampling?
Useful when the target behaviour happens infrequently and could otherwise be missed
What is a weakness of event sampling?
Specified behaviour might be too complex
May get overlooked if multiple behaviours are happening at once
What is time sampling?
The target behaviour is only recorded at specific intervals decided by the observer eg occurence is recorded for 10 mins every hour
What are the strengths of time sampling?
Can reduce the number of observations needed
What are the weaknesses of time sampling?
May not be representative if only recording at intervals
How can the reliability of an observation be increased?
Use inter-observer reliability where there are multiple observers