PSYC 2018H Lecture Notes - Lecture 2: Caffeine, Statistical Conclusion Validity
18 Nov 2016
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7 questions from each chapter: 15 minutes. Get assignment 1 back in lab on thursday. Other than what is varied, the rest in controlled. A result is measured: the dependent. Can also be selected by virtue of possessing attributes: ex. measure anxiety and assign participants as low, medium and high, ex. randomly assign people and try to make them anxious or not anxious. Manipulated iv"s ha(cid:448)e at least t(cid:449)o le(cid:448)els: ex. no caffeine (0 mg) vs. caffeine (200 mg, there can be more. In manipulated, there is a control: a group that does not get treatment, not always necessary. Comparing women to men, old to young. Cannot feature a co(cid:374)trol group, (cid:374)either is(cid:374)"t recei(cid:448)i(cid:374)g a treatment. Situational in which subjects encounter different environmental circumstances. Ex. shallow processing vs deep processing and examine the. Subject variable is selected rather than manipulated: limitations, only can control for 1 group. To control this, you can manipulate selection groups.
