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MSU - PSY 395 - Class Notes - Week 3

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MSU - PSY 395 - Class Notes - Week 3

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background image Non-­‐human  animal  research  
•   Governed  by  Institutional  Animal  Care  and  Use  Committee   o   Very  Similar  to  IRB   •   Guidelines   o   Justify  the  study  when  potential  harm  for  animal  stands   o   Ensure  proper  care  during  and  after  the  study     •   The  Three  R's   o   Replacement:  try  to  do  it  a  different/use  alternative  methods/research  when  possible   o   Refinement:  minimize  or  eliminate  animal  distress/harm   o   Reduction:  uses  the  fewest  number  of  animals  possible  to  achieve  your  goal      
Basic  Components  of  a  Study  
•   Case  Studies     •   Survey  and/or  Correlational  Studies   o   Collect  data  and  relate  two  measures  to  each   o   Important  when  developing  research  hypothesis   •   Naturalistic  Observation   o   Observe  behavior  in  a  natural  setting   •   Archival  study   o   Analyzing  pre-­‐existing  data  that  was  not  collected  for  the  purpose  of  the  study   •   Experimental  designs   o   Try  to  restrict  the  messy  components  of  the  other  methods   o   Manipulate  one  variable   o   Measure  one  variable   o   Does  the  IV  have  an  influence  on  the  DV?   •   Quasi-­‐experiment   o   Sometimes  you  just  can't  manipulate  certain  groups   o   Naturally  occurring  grouping  variable,  but  analyzed  like  an  experiment     1.   Research  Question   a.   What  do  we  want  to  know?   2.   Variables   a.   Independent  variable  (IV)     i.   Variable  that  is  manipulated  by  the  experimenter   b.   Dependent  Variable  (DV)   i.   Variable  that  is  measured  by  the  experimenter   ii.   The  variable  we  are  trying  to  explain   c.   Turning  conceptual  variables  into  operational  variables   i.   Conceptual  variable   1.   Theoretical  constructs  (shyness,  sleep  quality,  etc.)     ii.   Operational  variables   1.   Turn  a  conceptual  variable  into  a  variable  that  can  be  measured  or  manipulated  
2.   Connect  unobservable  traits,  experiences,  or  qualities  into  things  that  can  be  
observed  and  measured   d.   Operationalization   i.   Simple   1.   Direct  observation   a.   Weight  

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School: Michigan State University
Department: Psychology
Course: Design and Measurement
Term: Spring 2018
Name: PSY 395 Lecture 5
Description: All notes from Lecture 5
Uploaded: 01/23/2018
2 Pages 12 Views 9 Unlocks
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