Validation of the hyperbolic temperament questionnaire in Iran

BMC Psychology

Table 2 Item characteristics across samples

HTQ items	Mean (SD)	Skewness	Kurtosis	Cronbach’s alpha if the item deleted
HTQ items	Mean (SD)	Skewness	Kurtosis	NPD (n = 194)	BPD (n = 104)	OPD (n = 260)	Total (n = 558)
1	4.62 (2.24)	−0.04	−1.00	0.856	0.867	0.875	0.906
2	4.19 (2.12)	0.16	−0.92	0.856	0.862	0.871	0.904
3	4.81 (2.26)	0.03	−0.94	0.865	0.861	0.872	0.905
4	4.27 (2.10)	0.16	−0.83	0.857	0.865	0.867	0.901
5	4.18 (2.11)	0.31	−0.58	0.859	0.861	0.875	0.903
6	4.22 (2.25)	0.26	−0.90	0.860	0.864	0.869	0.901
7	4.79 (2.13)	0.01	−0.73	0.852	0.858	0.870	0.901
8	4.89 (2.30)	0.01	−0.90	0.856	0.869	0.869	0.903
9	4.51 (2.30)	0.08	−1.01	0.857	0.862	0.886	0.900
10	3.55 (2.12)	0.56	−0.54	0.857	0.883	0.881	0.907
11	3.70 (2.22)	0.44	−0.83	0.858	0.872	0.875	0.904
Total scale	47.74 (17.59)	0.05	−0.61	0.869	0.877	0.882	0.911

Abbreviations. HTQ: Hyperbolic Temperament Questionnaire, NPD: Non-Personality Disorder Sample, BPD: Borderline Personality Disorder Sample, OPD: Other Personality Disorder Sample, SD: Standard Deviation

ISSN: 2050-7283