Chinese Journal of Mechanical Engineering

Table 2 Posterior multiple comparative test by the least significant difference method

From: An Experimental Study of Features Search under Visual Interference in Radar Situation-Interface

	Evaluation index		Low interference			High interference
	Feature (I)	Feature (J)	Mean error (I-J)	Standard error	P	Mean error (I-J)	Standard error	P
Reaction time	Feature 1	Feature 2	− 207.65600	106.810958	0.100	− 212.63625	141.720018	0.184
	Feature 1	Feature 3	− 729.72050*	106.810958	0.000	− 628.72200*	141.720018	0.004
	Feature 2	Feature 1	207.65600	106.810958	0.100	212.63625	141.720018	0.184
	Feature 2	Feature 3	− 522.06450*	106.810958	0.003	− 416.08575*	141.720018	0.026
	Feature 3	Feature 1	729.72050*	106.810958	0.000	628.72200*	141.720018	0.004
	Feature 3	Feature 2	522.06450*	106.810958	0.003	416.08575*	141.720018	0.026
Error rate	Feature 1	Feature 2	− 0.06450	0.029148	0.069	− 0.08025	0.064618	0.261
	Feature 1	Feature 3	− 0.09250*	0.029148	0.019	− 0.11275	0.064618	0.132
	Feature 2	Feature 1	0.06450	0.029148	0.069	0.08025	0.064618	0.261
	Feature 2	Feature 3	− 0.02800	0.029148	0.374	− 0.03250	0.064618	0.633
	Feature 3	Feature 1	0.09250*	0.029148	0.019	0.11275	0.064618	0.132
	Feature 3	Feature 2	0.02800	0.029148	0.374	0.03250	0.064618	0.633

Note: * represents the reaching level of significance (mean error > 0.05)

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