Table 10.

Measures of risk chance m, subjective acceleration a₂, and subjective force F₂ based on variations in the number of questions and the time for every level of quiz difficulty.

N	t	T	difficulty:easy				difficulty:medium				difficulty:hard
			c	m	$a_2$	$F_2$	c	m	$a_2$	$F_2$	c	m	$a_2$	$F_2$
5	5	25	3.93	0.214	-2.14	-0.459	3.3	0.34	-1.64	-0.558	2.21	0.558	-0.768	-0.429
	10	50	4.66	0.068	-2.73	-0.186	3.67	0.266	-1.94	-0.515	2.48	0.504	-0.984	-0.496
	20	100	4.83	0.034	-2.86	-0.097	4.22	0.156	-2.38	-0.370	2.57	0.486	-1.056	-0.513
10	5	50	6.9	0.31	-1.76	-0.546	5.12	0.488	-1.05	-0.511	3.4	0.66	-0.36	-0.238
	10	100	7.5	0.25	-2	-0.5	5.93	0.407	-1.37	-0.558	3.93	0.607	-0.572	-0.347
	20	200	7.93	0.207	-2.17	-0.449	6.1	0.39	-1.44	-0.562	4.33	0.567	-0.732	-0.415
20	5	100	8.4	0.58	-0.68	-0.394	6.45	0.678	-0.29	-0.196	5.3	0.735	-0.06	-0.044
	10	200	11.35	0.433	-1.27	-0.549	6.88	0.656	-0.38	-0.247	5.33	0.734	-0.066	-0.048
	20	400	14	0.3	-1.8	-0.54	7.24	0.638	-0.45	-0.286	5.75	0.7125	-0.15	-0.107

N, total questions; c, average numbers of correct answers; $m=1-v$, risk ratio;

$a_2$, subjective acceleration = $4m-3$; $F_2$, subjective force = $m{a}_2$.