talks about the link between different things. It is important to understand that correlational research does NOT tell us that Variable A caused Variable B‚ but rather that they are somehow related. For example‚ if I told you that there was a correlation between domestic violence (violence between family members) and bowling‚ you would look at me strangely. But there is a relationship between the variables (variable 1- domestic violence‚ and variable 2- bowling). As more people bowl in the US
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what to realize about the rapidly changing economy. The question of if you think college is a sucker bet is an opinion‚ but Dave Maney would say yes college is a sucker bet. One of the first things that Maney talks about in his article is that causation is not causality. That means that just because something correlates
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1) Some definitions 2) Economics as a science 3) Production possibilities frontier Reading Chapters 1‚2‚3 Definitions Economics: the study of the choices people make and the actions they take in order to make the best use of scarce resources in meeting their wants and needs Economic choices: Consider some activity X. Then a simple rule of economics is: If benefits (activity X)> Costs (Activity X)‚ then do activity X If Costs (activity X) > Benefits (activity X)‚ then do not do
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regression line o passes through (x‚ y) o b = r (Sy/Sx)‚ a = y – bx – r2 = fraction of variation in one variable that is explained by least-squares on the other variable – Extrapolation – values in regression outside of data range – Correlation ≠ Causation Chapter 2 – Numerical summary provides center & spread – Mean & median are different (average/midpoint) – Five-number Summary – min‚ Q1‚ M‚ Q3‚ max o Outlier = 1.5 x (Q3-Q1) ± Q1/Q3 – Variance (s2) and Standard Deviation (s) measure
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Scientific Study of Personality Iris Darvish PSY/500 January 14‚ 2013 Dr. Tera Duncan Introduction There have been many theories that seek to define and explain personality. Some theories look at the different aspects of personality while others may put the emphasis on the traits that make up a personality. Is there one universal definition that is used among psychologists that can explain personality? There are many methods that researchers use to study personality. Among those methods
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Retail 460 STUDY GUIDE Chapter 2- Data EveryWhere: Types of Data * Qualitative/Categorical: objects being studied are grouped into categories based on some qualitative trait * Nonnumeric * “Dummy” or “Indicator” variables * Male/Female‚ Small/ Medium/ Large * Quantitative/Measurement: the objects being studied are “measured” based on some quantitative trait * The resulting data are a set of numbers * Height‚ Weight‚ Price‚ Unit Sales *
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50 questions 30 multiple choice‚ true false‚ matching 10 ratings 5 fill in the blank 5 short answer Know chapter 8 completely Bring calculator Chap 8: Programming: creating and distributing content for audiences‚ what it’s all about it. Don’t go to websites that don’t update‚ want something fresh. Look at advertising and fee-based models Advertising-based model: what programming can we acquire for the least cost to attract the biggest audience that we can sell to the most advertisers
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Discussion Although our study may indicate a correlation between all these variables‚ it would not be able to explain why there is a correlation between them. If our hypothesis about the correlation between heavy drinking and a higher chance of driving while intoxicated is supported‚ this could be interpreted and explained in many ways. One potential explanation could be that if people are heavy drinkers‚ they may be so intoxicated that they no longer have a sense or moral judgment‚ leading them
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Bias is essentially taking a certain perspective based on predetermined mental notions and beliefs that may not always be true. In the article‚ Hurley mentions that “The sad state of the economy all goes back to the big increase in imports from China.” He doesn’t want to blame his own country for its problem‚ so he blames China for it. He is biased against China. Another example from the article of bias is when Anderson says that “Labor unions…. [have] caused higher prices and greater unemployment
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similarities in exponential growth of Modern Slavery/Human Trafficking (Herein further described as MS/HT) in the United States and underdeveloped countries since 1910. To highlight how institutional and moral considerations have been the causation and correlation of the conceptual directions of politics for change through the theories of globalization and transnational crime. The acknowledgment of the philosophical and ethical tensions in human trafficking‚ and the ability to recognize the power relations
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