A method of collecting information about behaviour by recording people's actions.
Natural observation- watching behaviour in their usual environment.
Adv- real behaviour so high in EV, may be unethical.
Dis- the behaviour you want may not occur, no cause and effect, may miss behaviour.
Lab observation- carried out in an artificial setting.
Adv- variables can be isolated.
Dis- long to carry out and low in EV.
Categories of behaviour- simple and short so it's clear how to record the actions.
Inter-observer reliability- when this is high the records made my multiple observers are more accurate as they are similar. They should watch the same categories for the same amount of time at the same time.
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