PSY240H1 Lecture Notes - Null Hypothesis, Random Assignment, Panic Disorder
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Psy240 lecture 2 may 16: research in abnormal psychology (chapters 3 & 4) Often when we find null hypothesis, it could be due to things like design, analysis, and other contributing factors. When this happens, researchers either modify or drop primary hypothesis: variable: factor or characteristic that can vary within or between individuals, dependent variable: the factor being predicted/outcome being measured as result of the manipulation. Independent variable: the variable being manipulated and believed to affect the dv: operationalization: the way in which the researcher measures/manipulates variables in study. Generalizability is the ability to apply what was learned to other individuals/groups: observations and conclusions drawn lack objectivity. People telling stories may be biased, and therapists listening may filter them through their own beliefs/assumptions: they are hard to replicate (repeat the conclusion). Replication is key factor of scientific method. Important considerations for correlational studies: representativeness: you are drawing inferences/conclusions about certain population of individuals based on a sample from that population.
