NEUR 2001 Lecture Notes - Lecture 13: Participant Observation, Internal Validity, Habituation
2 Jan 2019
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Document Summary
A lot of external validity, but little internal validity. Measuring a variable that already exists cannot infer cause effect. Observing a behaviour as it occurs naturally. Influencing natural behaviour: you don"t want to disrupt or influence the behaviour because of the presence of the observer, solutions, conceal observer, habituation ex. Making the researcher sit in a classroom for a long time before actually measuring: subjective interpretation, observations always requires a degree of this, solutions, well defined behaviours ex. Defining a friendship to be sharing a toy (something that is easy to quantify: well trained observers you want everyone to know exactly what they are looking for, use multiple observers. Frequency method: how many times does a behaviour occur in a fixed-time observation period, ex. How many times will an individual relapse with their choice of drug over a year. Duration method: recording the amount of times, a behavior was done over a period of time, ex.
