Table 5. Statistics for task difficulty (easy, medium), noise (regular, noisy) and distance (closer, further).

Factor	Dependent variable	F-statistic	p-value	Partial eta squared (η2)	Text reference
Task difficulty	d′	F 1,43 = 14.621	p = .0005*	0.25
Noise		F 1,43 = 8.031	p = .0070*	0.16
Distance		F 1,43 = 7.323	p = .0097*	0.15
Task difficulty * Noise		F 1,43 = 0.577	p = .4516	0.01
Task difficulty * Distance		F 1,43 = 1.119	p = .2961	0.03
Noise * Distance		F 1,43 = 5.577	p = .0228*	0.11	{5a}
Task difficulty	RT	F 1,43 = 3.252	p = .0784	0.07
Noise		F 1,43 = 0.296	p = .5894	0.01	{5b}
Distance		F 1,43 = 2.889	p = .0964	0.06
Task difficulty * Noise		F 1,43 = 0.607	p = .4403	0.01
Task difficulty * Distance		F 1,43 = 0.471	p = .4963	0.01
Noise * Distance		F 1,43 = 0.953	p = .3343	0.02

D-prime (d′) was used to assess accuracy and response time (RT) was used to assess speed.