Lecture Notes BIO 120
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This 2 page Class Notes was uploaded by Haleigh Siple on Wednesday September 23, 2015. The Class Notes belongs to BIO 120 at Grand Valley State University taught by Rybczynski in Summer 2015. Since its upload, it has received 41 views. For similar materials see General Biology in Biological Sciences at Grand Valley State University.
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Date Created: 09/23/15
Psych 101 Lecture Notes Sept 21 Lecture Notes Correlation is not causation The mysterious lurking Z aka Extraneous variable third variable Extraneous variable is an unmeasured variable which can explain a correlation Questions about Causation Does A cause B Does A account for B Does A affect B These experiences are all about control Control Group group that is compared to experienced no change were not manipulated Variables 2 or more Independent Variable what is manipulated Dependent Variable what is measured Methods Experiment Sampling Representative and randomly assigned Results description of causual relationship A Control Group is important because it helps eliminate the Placebo Effect the expectations of the participant become real This skews research data Having unaware participants blinding rules out the possibility of an individual s expectations affecting the experiments results Single Blind data collector is aware not the participant Double Blind Both the data collector and the participants are unaware What if the question is causual but you can t experiment Why would this happen 1 Can t randomly assign group membership or manipulate 2 Quasi Experiment Quasi Experiment experiment with same experiment design without random assignment is not representative Psych 101 Lecture Notes Sept 21 Special Case Case Studies Question What can we learn for this individual with unique characteristics experiences E g Phineas Gage brain trauma patient Sample one case or a few individuals Description In depth questioning and measurement of interesting individual Special Case MetaAnalysis Question What have we learned about this topic so far Sample results from other studies Description Combines the results of many studies to look for overall trends
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