PS101 Lecture Notes - Lecture 3: Diabetes Mellitus Type 2, Standard Deviation, Childhood Obesity
Document Summary
Milgram"s shock experiment: obedience to authority (1960), deception study : this experiment was finally replicated in 2009 as there was now a debrief telling the participants that it was fake. Uses statistics such as the mean, the standard deviation, the range (known as measures of central tendency) Correlation: involves measuring and determining the relation between 2 variables, co-relation- relation of 2 things, ex. Number of friends and self esteem: ex. A psychologist reports that childhood obesity is related to type ii diabetes. Correlation compared to descriptive methods: more rigorous in terms of control, empirical measurement and statistical analysis. Arm length and height: measuring people in wheel chairs. Correlation coefficient: statistic expressing the strength & nature of a relationship between 2 variables. Perfect correlation: one in which 2 variables are exactly related. Positive correlation (direct: as one variable increases, the other increases as well, ex.
