Table 17.26 Glasgow Outcome Scale/Extended Evaluation Summary

 

Reliability		Validity		Responsiveness
Rigor	Results	Rigor	Results	Rigor	Results	Floor/ceiling
+	++(TR) ++(IO)	++	+++	+	+(p-values only)	N/A

NOTE: +++=Excellent; ++=Adequate; +=Poor; N/A=insufficient information; TR=Test re-test; IC= Internal Consistency; IO=Interobserver, Varied (re. floor/ceiling effects; mixed results).