Chapter 2 Ethics and Validity Power Point presentation








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Chapter 2 Ethics and Validity Power. Point presentation to accompany Research Design Explained 6 th edition; © 2007 Mark Mitchell & Janina Jolley
Overview Questions about Applying Techniques from Physical Sciences to Psychology l Validity Questions – Internal Validity Questions – Construct Validity Questions – External Validity Questions l Ethical Questions *Power. Point presentation to accompany Research Design Explained © 2004 -2007 Mark Mitchell & Janina Jolley 6 th edition;
Internal Validity Questions: Did the Treatment Cause a Change in Behavior? Power. Point presentation to accompany Research Design Explained 6 th edition; © 2007 Mark Mitchell & Janina Jolley
Construct Validity Questions: Can We Make the Leap from the Physical World to the Mental World? 3 Follow-up Questions* Power. Point presentation to accompany Research Design Explained 6 th edition; © 2007 Mark Mitchell & Janina Jolley
3 Key Construct Validity Questions 1. What does the measure really measure? 2. What does the manipulation really manipulate? 3. Is the participant’s behavior genuine or an act? *Power. Point presentation to accompany Research Design Explained © 2004 -2007 Mark Mitchell & Janina Jolley 6 th edition;
External Validity Questions: Can the Results be Generalized? l l Can the results be generalized to other participants? Can the results be generalized to other settings? *Power. Point presentation to accompany Research Design Explained © 2004 -2007 Mark Mitchell & Janina Jolley 6 th edition;
Ethical Questions: Should the Study Be Conducted? l l APA ethical code: Weighing potential benefits versus potential harm Don’t make ethical decisions by yourself – Ethics committees – Me! *Power. Point presentation to accompany Research Design Explained © 2004 -2007 Mark Mitchell & Janina Jolley 6 th edition;
Concluding Remarks l Psychological science must be concerned about: – Ethics (for both non-human and human animals) – Internal validity – External validity – Construct validity *Power. Point presentation to accompany Research Design Explained © 2004 -2007 Mark Mitchell & Janina Jolley 6 th edition;