Table 2.

Descriptive statistics for the executive function (EF), intellectual quotient (IQ), and pragmatics skills (PS) measures.

Constructs	Measures	Range	Min-max	Scores distribution (%)			Means	SD
				Low	Medium	High
PS
Conversational complexity	PSCS-P	0–4	0.08–1.47	33	34	33	0.77	0.34
Talkativeness	PSCS-P	0–3	0.34–1.63	33	34	33	0.91	0.32
Assertiveness	PSCS-P	0–3	0.45–2.56	33	34	33	1.51	0.52
Communicative control	PSCS-P	0–2	1.73–2.00	33	34	33	1.88	0.07
Responsiveness	PSCS-P	0–2	1.56–2.00	31	38	30	1.84	0.09
EF
Self-control	Forbidden toy	0–1	0–1	66	–	34	0.61	0.49
Inhibition	Towers of hanoïa	0–1	0.14–0.92	31	36	30	0.52	0.23
Working memory	Backward digit span	1–5	1–4	44	31	24	1.82	0.83
Flexibility	DCCS	1–3	1–3	17	71	11	1.94	0.54
Planning	Towers of hanoïb	0–36	0–32	33	34	33	15.29	8.37
IQ ESTIMATE
Vocabulary	PPVT-R (French version)	0–175	23–93	33	34	33	60.59	18.24
Visuoconstructive abilities	Block design (WPPSI-III)	0–40	18–32	37	23	40	24.08	3.03

Raw scores are presented.

^aNumber of illegal moves over the total number of trials played.

^bProblem resolution scores.