Table 2.

Descriptive statistics of test variables. Computer-assisted is abbreviated with C.A.

Variable	Counter	Min	Max	Median	q1	q3	iqr	Mean	sd	se	CI
Count	Exp1	39	2422	231	83	533	450	412.02	510.07	76.04	153.24
	Exp2	38	1748	203	85	581	496	404	430.77	64.22	129.42
	Automated	34	1643	201	79	551	472	355.33	380.08	56.66	114.19
	C.A. Exp1	42	1876	204	88	559	471	380.93	431.71	64.36	129.7
	C.A. Exp2	42	1902	205	82	559	477	390.62	450.26	67.12	135.27
Duration	Exp1	19	132	61	43	102	59	70.13	33.49	4.99	10.06
	Exp2	18	164	48	33	72	39	59.33	36.55	5.45	10.98
	Automated	6	8	8	6	8	2	7.29	0.97	0.14	0.29
	C.A. Exp1	4	40	16	13	21	8	17.42	8.08	1.2	2.43
	C.A. Exp2	5	45	15	10	21	11	16.4	8.46	1.26	2.54
Error	Exp1	0	0.86	0.12	0.07	0.21	0.14	0.16	0.15	0.02	0.05
	Exp2	0	0.81	0.09	0.03	0.17	0.14	0.15	0.19	0.03	0.06
	Automated	0	0.55	0.06	0.02	0.12	0.10	0.12	0.15	0.02	0.05
	C.A. Exp1	0	0.22	0.01	0.01	0.04	0.04	0.04	0.05	0.01	0.02
	C.A. Exp2	0	0.05	0.01	0	0.02	0.02	0.01	0.02	0	0.01