Table 3.

Round 4 external consistency (inter-rater reliability) and internal consistency results for the final PEMAT.

Items/Scales	External consistency (inter-rater reliability)									Internal consistency
	Average percentage agreement			Average Cohen’s Kappa			Average Gwet’s AC1			Average Cronbach’s α			Average Item-Total Correlation
Material type	All (%)	A/V (%)	Print (%)	All	A/V	Print	All	A/V	Print	All	A/V	Print	All	A/V	Print
Understandability items/scale	82	79	84	0.57	0.49	0.58	0.74	0.71	0.76	0.70	0.77	0.81	0.55	0.56	0.54
Actionability items/scale	82	83	80	0.58	0.53	0.54	0.75	0.72	0.72	0.75	0.74	0.84	0.86	0.85	0.81
All items/scales	82	80	83	0.57	0.50	0.57	0.74	0.71	0.75	0.71	0.76	0.82	0.62	0.62	0.60