. Author manuscript; available in PMC: 2022 Oct 1.

Published in final edited form as: J Exp Psychol Hum Percept Perform. 2021 Oct;47(10):1329–1347. doi: 10.1037/xhp0000942

Table 1.

Linear mixed model results from Experiment 1

Learning Phase
Predictors	Estimates	SE	t-Value	df	p-Value
(Intercept)	924.12	35.96	25.70	147.40	<.0001
Group [HD-Rep]	215.19	51.46	4.18	148.21	<.0001
Group [HD-Switch]	−129.23	51.07	−2.53	146.87	0.012
Task [Switch]	186.94	8.18	22.85	21352.13	<.0001
Group [HD-Rep] x Task [Switch]	−289.28	11.77	−24.59	21352.77	<.0001
Group [HD-Switch] x Task [Switch]	243.60	11.61	20.99	21352.22	<.0001
Random Effects
a²	120588.76
^T00Subject	61754
ICC	0.34
^NSubject	144
Observations	21495
Marginal R² / Conditional R²	0.103 / 0.407
Transfer Phase
Predictors	Estimates	SE	t-Value	df	p-Value

(Intercept)	962.40	39.33	24.47	146.92	<.0001
Group [HD-Rep]	69.55	56.20	1.24	146.84	0.218
Group [HD-Switch]	−17.52	55.91	−0.31	146.92	0.754
Task [Switch]	138.32	8.24	16.80	21396.44	<.0001
Group [HD-Rep] x Task [Switch]	−33.83	11.66	−2.90	21396.03	0.003
Group [HD-Switch] x Task [Switch]	7.15	11.68	0.61	21396.16	0.540
Random Effects
a²	122055.94
^T00Subject	74148.27
ICC	0.38
^NSubject	144
Observations	21539
Marginal R² / Conditional R²	0.025 / 0.394

Note: The references levels were the Control group and Repeat task. Square brackets indicate the level of the factor contrasted against the reference level of each factor.