Table 4.

Analysis of variance for FJA scale ratings by job title and function

	Source of variance
	Job title			Function			Job Title by function
FJA scale	df	F	Sig.	df	F	Sig.	df	F	Sig.
Things	5	1.03	0.40	3	1.79	0.15	14	0.68	0.80
Data	5	3.56	0.00	3	10.20	0.00	14	0.63	0.84
People	5	3.87	0.00	3	19.34	0.00	14	1.15	0.31
Worker instructions	5	2.43	0.03	3	8.31	0.00	14	0.69	0.79
Reasoning	5	5.17	0.00	3	10.89	0.00	14	0.57	0.89
Math	5	0.83	0.53	3	1.22	0.30	14	0.30	0.99
Language	5	3.53	0.00	3	15.26	0.00	14	0.45	0.96
Worker technology	5	0.02	1.00	3	5.24	0.00	14	0.14	1.00
Worker interaction	5	0.34	0.89	3	28.41	0.00	14	0.38	0.98
Human error consequence	5	3.16	0.01	3	30.10	0.00	14	0.65	0.82