Class Notes (810,212)
Canada (493,994)
Psychology (6,041)
Psychology 1000 (2,406)
Dr.Mike (1,197)

sept 20 lecture.docx

3 Pages
Unlock Document

Western University
Psychology 1000

Sept 20, 2012 Biological Foundations More Research Design The Neuron Action Potential Net tie: The Synapse Scan: p73-78 Today’s Question:  What are some sources of bias in an experiment?  What is the basic structure of a neuron?  How do neurons “work” ***Sept 25: strategy for psych 1000 (workshop) Case: Increases in temperature cause increases in aggression Recorded temp each day and noted the number of reported assaults More assaults were reported on hotter days His claim is inaccurate because - The data are correlational Research Methods: observation, survey, case, study, correlation, experiment (causality) Within-Groups Design All subjects exposed to all conditions Ie) all watch violent shows measure aggression All watch non-violent shows measure aggression *Problem: potential order effect if you do one test first, it may affect how you respond to second test.)  need to counterbalance Measuring Aggression  Self-report  Verbal attack  Physical attack  “Safe” attack Threats to Validity  Internal Validity o Degree to which experiment supports causal conclusion o Study needs to have high internal validity  External Validity o Degree to which results can be generalized  Demand Characteristics Sept 20, 2012 o Cues in experiment convey hypothesis to participants o They “help” experimenter o If participant figures out what you’re studying, they’ll try to help by learning toward certain result  Geen & Berkowitz: weapons effect  Experimenter Expectancy o Experimenter “conveys” hypothesis to participants o Intons-Peterson (1983)  Best way to avoid this is double-blink experiment Frequently Asked Questions What do lab experiments tell us about everyday life?  Maximize internal validity and lessen external validity Does behavior depend on one’s culture or gender or personality?  Behavior is dependent on person and how they developed/ were influenced by their society  How to avoid this: random sampling-equal representations of different groups What do animal experiments tell us about human behavior?  When we look at human visual system: look at cat, might be similar with human Is it ethi
More Less

Related notes for Psychology 1000

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.