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PSY100 Lecture #3

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University of Toronto St. George
Dan Dolderman

Test 1Neurotransmitters and their key functions brain areas and their key functions brain stem and lobes 012412 PSY100 Lecture 3Methods lecture last weekBut how do you measure something Scientific thinking occurs across two levels1 Conceptual2 Operationalthe experimental measurement level what instrument orr manipulation you use to reflect Reality hiddenconceptual level selfesteem Observationoperational level selfesteem scale responses to the scale peoples authentic access to selfesteem Construct validity does it represent what you are trying to measure OperationalizationOperationalization is the process of taking ones pure theoretical construct and figuring out how to represent it through some sort of measurement device Operationalize exposure to violent mediaWhy are measurements scales so repetitiveEvery single scale you dont know what it really means same as construct validity Because for each item you dont really know how well it actually reflects the construct youre trying to measure social norms re energy conservation Have to use multiple items of the same construct to see how they verge Conclusions Re Methodogy Is there anything else what can be considered It is very easy to make simple methological errors and to draw conclusions that are highly problematic Whenever you hear about research findings take a close look at the operationalization rdof variables and think about whether there are any problems with validity consider 3 variable explanations for the findings and look for possible confounds in experimental design Video God is in the neuronsNeuroscience Selfawareness has some relation to dopamine and serotonin Dopamine makes you fascinated by ideas Lack of dopamine occurs when you feel like giving up Learning pleasure addiction selfawareness all has to do with dopamine Social psychologyEmpathetic error neurons connect us to other people allowing us to feel with others feel selfreflect How we see ourselves and how we see ourselves dualism Thoughts and actions are impulsive when we are not in selfawareness
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