Psych Notes - Psychology Notes Research Methods in...

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Psychology Notes Research Methods in Psychology - Naturalistic observation: describe behaviors as they occur in the environment. Do no intervene Must be non-reactive or unobtrusive A trip to McDonalds Seat belts Paco Underhill- Store organization psychologist The “butt brush”- any time anyone was brushed on their but they dropped the product and left it there - Correlation: A statistic the summarizes the relation between two variables o Relationship between GPA and number of hours studied per week o Correlation tells whether the values of two variables are related o R is the correlation coefficient Magnitude: disregard the sign ( the larger the number the stronger the relationship ) Positive, negative, and zero Third variable problem: X->Y,Y->X, Z->X+Y Ice cream and crimes are positively correlated- third variable is the summertime Correlation coefficient is between 0 and 1 Positive Correlation Coefficients + Height and Weight Hours of study and GPA Hours worked and size of paycheck Negative Correlation Coefficients - Hours spent exercising and weight Speed of car and mpg Time spent studying and number of errors on an exam Zero Correlation Height and IQ Education level and mpg Typing speed ad total sleep time - Survey Method: uses sample to explain something about population (representative sample) o Representative samples are randomly selected o Flashbulb Memory- Kulik and Brown 85% had truly vivid image of the Kennedy assassination sudden, emotional, personal meaning - Experimental Method: the only method that addresses cause and effect (manipulate an independent variable so see if depended variable is altered (IV- >DV) o IV: diet, exercise, commute time
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o DV: weight, heart disease, blood pressure o Manipulate IVs measure DVs Divisions of the Nervous System - Central Nervous System o Brian o Spinal Cord - Peripheral Nervous System o Everything outside of central nervous system o Somatic Connection between central and body o Autonomic Evolution’s Gift Sympathetic Responsible for flight of fight Psychosomatic (psyche + soma)= (mind+body) o Not only in head- You can die from a psychosomatic illness because evokes physical response Psychophysiological Parasympathetic Relaxed - Franz Joseph Call o Phrenology- “bumps on the head” Looking for bumps and indentations to identify strengths and weaknesses - Frano Prussian War: Advances during a time of war, localization of functions o Physicians touched brains in wounded soldiers to evoke twitching response o The case of Tan (Broca’s Area): aphasia, Wernicke’s Area Tan dies and Broca’s finds that the area responsible for speech in the left hemisphere Left hemisphere was wounded and all patient could say was tan Wernicke’s area in in the left hemisphere and responsible for understating language - EEG: Brian Waves o Four types of Waves Alpha- relaxed, calm, lucid, not thinking
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Psych Notes - Psychology Notes Research Methods in...

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