Table 2.

Ratings of free answers in the knowledge test by rater A and rater B

	Question (Correct answer) [maximum knowledge score]	Rater A	Rater B	T Test p	Spearman correlation rater 1 and rater 2
Pretest	Please name four psychological capacities (Capacities according to Mini-ICF-APP are named and no psychopathology items. Capacities are, e.g. capacity for structuring and planning, flexibility, endurance, judgment, adjustment, etc.) [4]	1.30 (1.29)	1.47 (1.21)	0.003	0.873**
	Please name the required criteria for judgment of chronic long term work capacity (history of illness and course of capacity impairment, treatment history and treatment options, prognosis of illness and capacity status) [1]	0.06 (0.24)	0.07 (0.27)	0.319	0.931**
	Criterion for acute unfitness for work (Need for help in conducting the individual work tasks, the reason for unfitness is due to illness-impairment which affects relevant capacities) [1]	0.00 (0.00)	0.03 (0.18)	0.045	–
Posttest	Please name four psychological capacities [4]	2.66 (1.52)	2.73 (1.50)	0.070	0.946**
	Criteria for judgment of chronic long term work capacity [1]	0.22 (0.42)	0.22 (0.42)	–	1.000**
	Criterion for acute unfitness for work [1]	0.10 (0.31)	0.24 (0.439	0.000	0.616**

T test for paired samples. N = 115

^**p < 0.001