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Unformatted text preview: Jan. 22 The Science-Practitioner Model Boulder conference (1949) 1 st time psychologists met to standardize clinical and research methods. Within psychology departments. Vail conference (1973) dissension about Boulder conference. Practitioner model, consumer of research not producer. The scientific method-pose question/problem-define terms-hypothesize solution-gather data (assessment)-analyze data-test hypothesis-draw conclusion Cognitive therapy-change thought patterns Behavior therapy-change actions and improves how one feels Why do research? Experts often disagree. Conflicting findings qualified results. Best treatment. Exceptions. Personal experiences to the contrary. Topics of research-nature of a disorder phenomenology.what are the symptoms?-incident rates how many new cases-prevalence rates how many people have it? One study says 40% of population experience depression at some point.-Associated features bad/good things ex) comorbidity ex)higher grades-risk factors typically considered bad.parental psychopathology..high expressed emotion -protective factors good version of risk factorsex)warm family support and low expressed emotion ex) internal locus of controltaking responsibility vs. blaming external factor-treatment outcomes what works best?......efficacy, does the treatment work? Effectiveness, does it work in practice?-mediator mechanism of a particular outcome-moderator interaction.??? Research Measure! Rules: -standardization.norming-reliabilityis the measure consistent-validity. Are you actually measuring construct of interest Forms of measurement-clinical interviewunstructured, like a first datesemi-structured, common way.completely structured, ask set list of questions-testsIQ, personality, behavior checklist, disorder checklist-psychophysiology/neuroimaging measuring physical responses Inconsistency interference extraneous influences-observation unstructured to structuredinexpensive..focus on certain behaviorscan control environment-----limitation..can it be representative?? Validity of measurement-internal validity..construct accounts for finding.threats maturation-testing-selection bias-external validity..generalization of finding..threats setting ex)community mental health vs. university for mental health-sampling, must be carefully defined inpatient vs. outpatientclinical vs. non- clinical..comorbidity, whos included and excluded..random sampling vs. convenience sampling Types of design (observational)-retrospective ask about the pastsusceptible to recall error (bias and distortion)-prospective follow sample over time (longitudinal)..susceptible to attritionexpensive..time consuming-Case studies.. intense observation of one person..highly describtiveexamine impact of -Case studies....
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- Spring '08