Intro to psych 102
Intro to psych 102 PSYCH 102
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This 2 page Class Notes was uploaded by Autumn Francois on Monday March 7, 2016. The Class Notes belongs to PSYCH 102 at University of Wisconsin Green Bay taught by Dennis N. Lorenz in Winter 2016. Since its upload, it has received 28 views. For similar materials see Introductory Psychology in Psychlogy at University of Wisconsin Green Bay.
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Date Created: 03/07/16
Intro to Psych D. Lorenz February 1, 2016 Controlled Experiments Cause and Effect Approach Controlled Experiment Method Independent Variable: Stimulus or condition is manipulated (Exam w/o light) o The lighting of the room has an effect on testing ability o Manipulating the lights Hypothesis: Prediction o See the difference o If lights change test scores Dependent Variable: Response Measure o Test scores Intervening Variable: Unwanted factors that may affect results, spoil the experiment o What if Flu season was in? o Changes the expected results with an outside factor Subjects: Animals/humans Population: All subjects o Students. Would have to be every student everywhere Sample: selected subjects o Selected group that represents Subject selection: usually random. Why? o Unbiased Assignment to Group: usually random Experimental Group: Exposed to the independent Variable o Ones exposed to light levels Control Group: Exposed to all the conditions EXCEPT the independent variable o NOT exposed to LOW lighting Logic: If results from the 2 groups are different, likely CAUSED by the indep. Variable o If the students that use the low light do worse means the independent variable changed the results Data results Data Analysis: statistics and trends Interpretation: Drawing conclusions, not proof o Lead us toward the end results. o Allow for proving for all peoples o Do not have to test everyone Publication: Informing the community o Allow for all proper information o Allows study to be ran in other classrooms or other situations Reliability: Can the results be reproduced? o Ability to get the same results again an again Validity: did we measure what we thought we were measuring? o Knowing if there is more than one independent variable IN CLASSROOM EXPERIMENT Issue: multitasking Hypothesis: less effective Subjects: students Independent Variable: Based on group Dependent Variable: Based on group Groups Independent Variable Dependent Variable A: Watching Vid # Errors B: Text only/music # errors C: Text/vid/music # errors Biological Basis of Behavior Neuron o Where Psychology meets biology o The human brain has about 86 billion o Can store about 100 terabytes of info o Neuron is the functional unit of the nervous system all animals, pets, snakes, roaches ect. Twentieth Century Scientists o Camillo Golgi (1843-1926) o Italy: Physician/ histologist o Discovered the silver stain for neurons o Stain a few neurons completely others not at all o Nobel prize 1906 o Believed that neurons touch each other. o Info goes in and out
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