Table 2 Results of the linear mixed-effects model for log-transformed response times during search including estimated regression coefficients.

From: Using a flashlight-contingent window paradigm to investigate visual search and object memory in virtual reality and on computer screens

Fixed effects

VR model

CS model

Estimate

SE

t

p

Estimate

SE

t

p

Intercept

8.30

0.06

136.08

\(<.001\)

8.55

0.06

137.95

\(<.001\)

Condition (Flashlight–Illuminated)

0.75

0.10

7.58

\(<.001\)

0.86

0.09

9.30

\(<.001\)

Trial

–0.05

0.01

–5.89

\(<.001\)

–0.04

0.01

–5.57

\(<.001\)

Condition \(\times\) Trial

–0.03

0.02

–2.06

.039

–0.04

0.01

–2.83

.005

Variance components

Variance

SD

  

Variance

SD

  

Target

    Intercept

0.09

0.30

  

0.09

0.30

  

    Condition

0.02

0.13

  

0.03

0.17

  

Participant

    Intercept

0.01

0.11

  

0.02

0.16

  

    Condition

0.00

0.07

  

0.01

0.10

  

 Residual

0.49

0.70

  

0.44

0.67

  

Pseudo\(-\)R \(^{2}\)(R \(^{2}_{\textrm{marginal}}\), R \(^{2}_{\textrm{conditional}}\))

.14, .30

   

.17, .35

   

Fixed effects

Full model

Estimate

SE

t

p

Intercept

8.43

0.05

176.76

\(<.001\)

Condition (Flashlight–Illuminated)

0.80

0.07

12.22

\(<.001\)

Trial

–0.04

0.01

–8.09

\(<.001\)

Experiment (CS–VR)

0.25

0.08

3.21

.002

Condition \(\times\) Trial

–0.04

0.01

–3.47

\(<.001\)

Condition \(\times\) Experiment

0.11

0.13

0.85

.393

Trial \(\times\) Experiment

0.01

0.01

0.62

.537

Condition \(\times\) Trial \(\times\) Experiment

–0.01

0.02

–0.44

.658

Variance components

Variance

SD

  

Target

    Intercept

0.09

0.30

  

    Condition

0.01

0.08

  

Participant

    Intercept

0.02

0.14

  

    Condition

0.00

0.03

  

 Residual

0.47

0.69

  

Pseudo-R \(^{2}\)(R \(^{2}_{\textrm{marginal}}\), R \(^{2}_{\textrm{conditional}}\))

.18, .34

   
  1. CS = computer screen, VR = virtual reality.