6/2/2023 0 Comments Tau zero![]() The studies we actually have and that are included in the meta-analysis are assumed to be a random sample from this hypothetical population of studies from which we obtain estimates $\hat$ (which, as noted above, is the estimated standard deviation of the distribution of true outcomes). ![]() Torque involves circular motion, which must involve. In a random-effects model, $\tau$ is the standard deviation of the underlying true outcomes in the 'population of studies', that is, we assume that there is an essentially infinite collection of studies that could have been conducted and in this population of studies, the true outcomes are normally distributed with a certain expected value, $\mu$, and a certain standard deviation, $\tau$. Perhaps the greatest conflict with introducing a number called tau is that, in engineering, tau also stands for torque, a rotational force. Climbs the centre of the bulging (bullet hard) wall from standing via a good side-pull and poor sloper or crimp to a cruxy dead-point move. ![]()
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