COGS 14A Lecture Notes - Lecture 26: Phineas Gage, Nonprobability Sampling, Paul Broca
18 Mar 2017
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Cogs 14a lecture 26: single-subject design and wrap up 3/17/17. Population vs samples: sampling frame: list of members within the target population, non-probability sampling techniques (when you don"t know who is on the list, convenience sample. Whoever is readily available, even at a loss of representativeness: quota sample. Combines convenience and stratified samples to get a specific percent of elements from convenience sample: snow-ball sampling. Asks current participants to identify other potential participants, excellent for hard-to-find populations: all of these methods have a higher risk of getting a non-representative biased sample. Two ways to do idiographic research: case study, qualitative, descriptive accounts of specific individuals that can be used to illuminate specific disorders of conditions, not as systematic or experimental as single-subject. Phineas gage (brain basis of personality), paul broca (localization of language ability), patient h. m. (memory function in the brain: single-subject research design, are experimental studies in which an independent variable is manipulated in a specific participant.
