22 - 21:02 Itakebothscoresforexam1andexam2andcombinethem....

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21:02 I take both scores for exam 1 and exam 2 and combine them.  Factorial Designs 2 nd  set of material The same type of Format Practice Exam vs. Real Exam The pressure changes everything As you are reading the paragraph,  What design is it? What are the variables and the levels? Confounding variables? Correlational (Non Expt)-------Quasi  (Looks Like Experiment)-------- True  Experiment Quasi Experimental Design: You have independent variables Those variables are not manipulated Subjects are not randomly assigned to the levels o Age: examine 10 year olds and 15 year olds o You cannot randomly assign  Not ethical to manipulate o You cannot assign people to  group that abuses drugs. Less internal validity Any results may not be do to the independent variables.  Types of Designs: o Interruptive time series design: study behavior before and after an event o M1M2M3 Event M4M5M6 o Does behavior changes due to the event Ex. Behavior before and after an earthquake Ex. The speed limit was 55mh, changed to 65mh o Does the speed limit have an effect on the accident rate Jan 1 2008 I-5 55 65
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38.2 52.4 o Other Freeway 55 55 37.2 36.5 o History could have affected the accident rate o The weather. (extraneous Variables that could affected the accident rate) o Non equivalent control group- comparable freeway, that will be as close to  the attributes to the I-5 that is possible.   o Selection effects for the other freeway We did not randomly assign subjects to the conditions. o
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This note was uploaded on 02/24/2010 for the course PSYCHOLOGY 100B taught by Professor Firstenberg,i. during the Spring '10 term at UCLA.

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22 - 21:02 Itakebothscoresforexam1andexam2andcombinethem....

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