Table 5 Linear mixed-effects models... | Emerald Publishing

Table 5

Linear mixed-effects models predicting human pick time of products located in different aisle

	Dependent variable: Human pick time in different aisles (Tukey transformation, $λ = 0.200$ ⁠)
	Scenarios model (M2a,ii)		Behavioral model (M2b,ii)		Interaction model (M2c,ii)
Independent variable	Estimate	Std. error	Estimate	Std. error	Estimate	Std. error
Constant	1.087	0.024	1.269	0.074	1.263	0.086
Base performance: Medium	−0.029	0.020	−0.039	0.020	−0.039	0.020
Base performance: High	−0.078	0.020	−0.081	0.019	−0.081	0.019
Order picking experience	0.004	0.002	0.004	0.001	0.004	0.001
Scenario sequence	0.017	0.016	0.022	0.016	0.022	0.016
Progress (square root of pick timestamp)	0.000	0.001	0.000	0.001	0.000	0.001
Scenario: Human leading	−0.042	0.010	−0.042	0.010	−0.030	0.086
Prevention focus			−0.042	0.016	−0.041	0.019
(Scenario: Human leading) * (Prevention focus)					−0.003	0.020
Restricted maximum likelihood criterion	1379.0		1378.8		1384.8
Number of subjects	60		60		60
Number of stopping node combinations	46		46		46
Number of picks	3609		3609		3609

	Dependent variable: Human pick time in different aisles (Tukey transformation, $λ = 0.200$ )
	Scenarios model (M2a,ii)		Behavioral model (M2b,ii)		Interaction model (M2c,ii)
Independent variable	Estimate	Std. error	Estimate	Std. error	Estimate	Std. error
Constant	1.087	0.024	1.269	0.074	1.263	0.086
Base performance: Medium	−0.029	0.020	−0.039	0.020	−0.039	0.020
Base performance: High	−0.078	0.020	−0.081	0.019	−0.081	0.019
Order picking experience	0.004	0.002	0.004	0.001	0.004	0.001
Scenario sequence	0.017	0.016	0.022	0.016	0.022	0.016
Progress (square root of pick timestamp)	0.000	0.001	0.000	0.001	0.000	0.001
Scenario: Human leading	−0.042	0.010	−0.042	0.010	−0.030	0.086
Prevention focus			−0.042	0.016	−0.041	0.019
(Scenario: Human leading) * (Prevention focus)					−0.003	0.020
Restricted maximum likelihood criterion	1379.0		1378.8		1384.8
Number of subjects	60		60		60
Number of stopping node combinations	46		46		46
Number of picks	3609		3609		3609

Note(s): Italic type = significant at p < 0.05