PSYC 4364 Lecture Notes - Lecture 10: Average White Band, Experiment, Natural Disaster

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19 May 2018
Epidemiology = study of numbers
Basic epidemiological approaches to disaster research: bromet and havenaar
What are various ways of collecting data?
Can’t get to site of trauma...mail surveys? Limit us b/c may have lower
response rate
What is best way to collect data after traumatic situation?
Average white band: person to person (1977) clip on youtube
Advantages: build rapport, see their emotional distress,
body language
Value of face-to-face procedures
Comprehensive and in depth info ( can’t get that through
telephone/ surveys)
Biological assessments
Pick up on non-verbal cues (flashback)
Build rapport
Bottom line: can do good methodological sound research even
under “suboptimal conditions”
Jones told story about being hit by african american client.
Assumed that the man would relate to him because of their
shared complexions but due to their different lifestyles, that
assumption was wrong.
Design options
Retrospective cohort designs
Case-control design
Retrospective data - collect data after event
Prospective data - collect data prior to traumatic event
Exp: mental health data, education history
If we maintain that following trauma, a % of individuals will do poorly after
event- we need data to help us figure out the real impact/change after the
Data that may predict how someone will do after trauma
***be able to come up with a possible main affect hypothesis for a given
“Natural Experiments” / true experiment (pre-post design)
Give exp of true experiment data: requires both retrospective and
prospective data!!!!!!!!
Incidence - 1st exposure/new cases
Prevalence - ongoing/overall cases
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