In combination, this resulted in a decreasing trend in observed power, r (224) = −0.09, 95% CI [−0.22, 0.04] (from Mdn = 0.76 until 2008 to Mdn = 0.54 in years after 2008).
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Research practices and statistical reporting quality in 250 economic psychology master's theses: a meta-research investigation.
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