. Author manuscript; available in PMC: 2018 Apr 1.

Published in final edited form as: J Abnorm Psychol. 2017 Mar 9;126(3):312–324. doi: 10.1037/abn0000256

Table 4.

Simulation Results

N-back Load	All Rel._S.B.	Non-Impaired Rel._S.B.s	Impaired Rel._S.B.	Simulated Cohen’s d	Measured Cohen’s d	Attenuation in Cohen’s d
All 1-back	0.41	0.30	0.42	0.80	0.43	0.37
All 2-back	0.61	0.50	0.62	0.80	0.54	0.26
All 3-back	0.75	0.68	0.75	0.80	0.62	0.18
Mix of 1- & 2-back	0.53	0.42	0.54	0.80	0.50	0.30
Mix of 1- & 3-back	0.64	0.55	0.64	0.80	0.58	0.22
Mix of 2- & 3-back	0.70	0.61	0.70	0.80	0.59	0.21
Mix of 1-, 2-, & 3-back	0.64	0.53	0.64	0.80	0.56	0.24

Note: Rel._S.B. = Spearman-Brown corrected split-half reliability.