LING 1P93 Lecture Notes - Lecture 4: Traumatic Brain Injury, Communication Disorder, Dynamic Assessment
13 May 2016
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Document Summary
Ling 1p93 - lecture 4: speech sound disorders in children. Important to guard against fringe" assessments and therapies: anecdotal evidence, expert" opinion, pseudo-science". Not intended to prevent innovation or development of new approaches. Systematic reviews: address well-specified question, criteria for including and excluding literature, drawn from multiple sources. Meta-analysis: build off of systematic reviews, combine data from multiple studies. Complete statistical analyses on these data: interpret findings. Random assignment to: treatment group(s, control group(s) Single blinded: only patients do not know which group. Double blinded: both assessors and patients do not know. Seek to falsify rather than confirm hypotheses. Expense can lead to funder bias", research agenda bias. Objective" end-points used rather than clinical outcome measures. Not appropriate for assessment, prognosis, or quality of care issues. Cohort studies: follow two groups of people over time. Case-control studies: compare two groups of people at single time. Cross-sectional surveys: study research question at single time.
