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The first two dimensions of correspondence analysis (CA) symmetric plot using education level (some college without degree or lower, associate degree, bachelor’s degree, master’s degree, and doctorate) as Rows and all nine survey questions as Columns (n = 901) (5 rows × 44 columns). Confidence ellipses on the plot were automatically created by XLSTAT software based on CA with observed χ2 = 375.26 and p < 0.0001.
