Table 2.

Descriptive statistics for 99th percentile-trimmed dataset

Variable	N	M	SD	Median	Min	Max	Skew	Kurtosis
Item psycholinguistic characteristics
Words	177	8.16	3.88	8	3	26	1.12	2.18
Syllables	177	11.94	6.08	11	3	42	1.25	2.95
Avg. word frequency	177	387,539.08	177,384.88	388,259	10,707	742,078	− 0.05	− 0.58
Avg. age of acquisition	177	4.56	0.83	4.42	2.91	7.21	0.93	0.70
Avg. imageability	177	341.61	60.51	337	179	489	0.30	0.03
Cognitive function scores
Neuro-QoL cognitive function	577	50.01	9.82	49.7	17.9	69.9	− 0.14	− 0.09
Response times (in s)
Overall	99,646	9.03	6.84	7	1	52	2.40	8.00
Condition
ALS	12,911	6.68	5.95	5	1	52	3.13	13.71
Epilepsy	20,690	8.47	6.67	7	1	52	2.43	8.40
MS	27,928	9.97	7.02	8	1	52	2.37	7.26
Parkinson’s	20,944	8.23	6.03	7	1	52	2.66	10.67
Stroke	17,173	10.91	7.50	9	1	52	2.08	5.96
Item bank
Anxiety	4567	8.48	6.38	7	1	52	2.73	10.89
Ability to participate in SRA	4542	9.53	7.03	8	1	52	2.31	7.51
Cognitive function	22,689	10.42	7.77	8	1	52	2.05	5.51
Depression	4565	7.14	5.42	6	1	52	3.14	14.66
Emot. and behav. dys	10,269	7.51	5.32	6	1	52	2.78	12.40
Fatigue	10,828	8.06	5.69	7	1	52	2.55	10.16
Lower ext.—mobility	9718	11.45	8.17	9	1	52	1.89	4.56
Pos. affect and well being	5120	8.47	6.45	7	1	52	2.37	7.92
Sleep disturbance	11,394	8.26	5.98	7	1	52	2.65	10.84
Stigma	4571	8.26	5.90	7	1	52	2.53	9.34
Upper ext.—fine motor/ADL	11,383	8.60	6.70	7	1	52	2.57	8.96

Values based on 1% trimmed sample (i.e., scores retained at or below 99th percentile)