Response rate	Risk of bias	Effective sample size
Maximization of \(\bar{\rho}_{\text{final}}\)	0.55	0.48	27.38
Minimization of \(\text{S}^{2}_{\rho_{\text{final}}}\)	0.44	0.09	44.17
Minimization of \(\text{S}_{\mathrm{\rho}_{\text{final}}}/\bar{\rho}_{\text{final}}\)	0.45	0.09	44.33
Random (uninformed) fieldwork	0.51	0.26	46.95