![]() ![]() That would make the COVID variable the DV and the vaccines and autism variable the IV. Which variable is my IV and which is my DV? Timewise I'm assuming that for most people, evaluations of COVID would come after evaluations of vaccines and autism, since COVID-19 was a year or less old at the time of this survey. To find out the equation for our line, we first will run a bivariate linear regression. Let's return to the line of best fit, or regression line. The strongest correlation was the variable that asked whether the respondent agreed more that, "One, the novel coronavirus (COVID-19) was developed intentionally in a lab or Two, the novel coronavirus (COVID-19) was not developed intentionally in a lab.” Let's look at this one further, in relation to the question about vaccines and autism. I only am showing the first row of the matrix, excluding the variable's correlation with itself. ![]() The variables selected, in order of appearance below, include age, education (0 less than high school through 4 graduate degree), political views (-3 extremely liberal to 3 extremely conservative), 7 feelings thermometer variables (0 cold to 100 warm), the extent to which two statements describe the respondent's views (1 not at all to 5 extremely well), and three statements, with the respondent identifying which they think is most likely to be true, and how confident they are about their answer (-5 Disagree, extremely confident to 5 agree, extremely confident). We can run a correlation matrix to reveal the strength and direction of this variable with others, along with evaluating significance. I coded the variable -5 through -1 and 1 through 5 to make it ratio-like. Here is a weighted frequency distribution table of the data: Most scientific evidence shows childhood vaccines do not cause autism"Īfter answering, respondents were asked, "How confident are you about that?".Most scientific evidence shows childhood vaccines cause autism."Which of these two statements do you think is most likely to be true? One of the questions asked as part of the American National Election Studies to eligible U.S. Statistics in Action: Misbeliefs-vaccines and autism
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