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How to tell when error bars correspond to a significant p-value

Can you tell when error bars based on 95 % CIs or standard errors correspond to a significant p-value? Don’t fret if you think it’s hard, a study from 2005 showed that researchers in psychogoly, behavior neuroscience and medicine had a hard time judging when error bars from two independent groups signified a significant difference

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Effect of sample size on the accuracy of Cohen's d estimates (95 % CI)

When talking about confidence intervals, Jacob Cohen famously said: “I suspect that the main reason they are not reported is that they are so embarrassingly large!” (Cohen, 1994). In this post I’ll take a look at the relationship between the 95 % CI for Cohen’s d and it’s corresponding sample size.

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Meditation, mindfulness, and executive control: results from a new EEG study

A new interesting study by Teper and Ingzlict (2012) examined the effect of meditation practice on executive control. Many studies have shown that meditation does indeed enhance executive control. But in this study the researchers look more at why meditation is effective in enhancing executive control, and not so much if it’s effective.

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