Level	Critical Value Formula	Verbal description in File S1
10%	$1.645\times \sqrt{\left(\mathrm{n}-2\right)/\left\{\left(\mathrm{n}-3\right)\left(\mathrm{n}-4\right)\right\}}$	10% normal
5%	$1.96\times \sqrt{\left(\mathrm{n}-2\right)/\left\{\left(\mathrm{n}-3\right)\left(\mathrm{n}-4\right)\right\}}$	5% normal
1%	$2.576\times \sqrt{\left(\mathrm{n}-2\right)/\left\{\left(\mathrm{n}-3\right)\left(\mathrm{n}-4\right)\right\}}$	1% normal