PSYC 217 Lecture Notes - Lecture 4: Spurious Relationship, Spontaneous Remission

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7 Apr 2015
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Spurious correlation: a result of a third factor that is not apparent at the time of examination, spurious means illegitimate or false. Types of control groups: no treatment, placebo treatment, best currently available treatment, qualitatively different group. Between-subject designs: assign different people to different conditions. Within- subject designs: assign the same people to different conditions. Confound: in an experimental design, any variable that has the potential to affect the. Between-subject designs: confounding can be due to experimental settings or experimental manipulation. Within-subject designs: must worry about confounding due to participants changing as well. Reducing order effects: counterbalance conditions when possible, wait longer between testing conditions.

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