TOUGH class, am struggling with psychology statistics. Article to answer those questions can be found here: https://www.scirp.org/html/3951.html?pagespeed=noscript

-What statistics test(s) did this article used? (t-test, correlation. OLS, regression, ANOVA, chi-square)

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-Were the conclusion drawn justified?

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-Was their choice of statistical method justified?

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-Any confounding variables?

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-What is the other way(s) they might have analyzed the data?

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