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# studyguide11 - 1 Correlation = Causation True or False <...

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1. Correlation = Causation. True or False? <- Know this for the rest of your psychology career. Your teachers will ask you all the time. Correlation does not necessarily equal causation. Correlation is simply a relationship between scores; there is no implication that one of the variables causes the other. There are many reasons why correlation occurs without causation. One is simply by coincidence. Another is that they are both related to other factors that do have to do with causation however the factors in question do not cause each other. 2. Explain how to draw a scatter diagram. Many steps go into creating a scatter diagram. First, one must draw the x and y axes and make the decision of which variable will belong to which axis (and then label accordingly). Next, the range of values for each variable will be determined and placed on the axes. The lowest value will usually be zero (at the intersection of the two axes) and these values should increase along the axes. All scores should be represented by the values. Finally, a dot will be made for each pair of scores by finding the intersection of the horizontal line at the y-axis score and the vertical line at the x-axis score. 3. What are the differences between linear and curvilinear correlations? The differences between linear and curvilinear correlations are that a linear correlation can be seen visually on a scatter plot as the dots following a (approximately) straight line. A curvilinear correlation shows dots following a pattern that is not a straight line, like a curve. 4. Describe the differences between positive and negative linear correlations. A positive correlation is

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studyguide11 - 1 Correlation = Causation True or False <...

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