Table 5.

The item statistics of FPQ-III short form.

Response	Item 6	Item 13	Item 4	Item 10	Response	Item 8	Item 11	Item 17	Item 21	Response	Item 24	Item 2	Item 3	Item 28	Item 7	Overall
Not at all (ceiling effect)					Not at all (floor effect)					Not at all (ceiling effect)
1	2.8	2.4	4.2	4.4	1	38.3	32.5	11.7	13.7	1	49.9	35.9	29.7	32.6	19.5
2	10.6	4.4	16.1	16.9	2	25.1	30.2	21.3	26.4	2	31.4	40.5	35.2	37.1	39.3
3	22.7	12.1	27.1	33.5	3	18.9	18.5	25.1	26.1	3	11.9	14.1	21.8	17.8	25.3
4	41.2	21.9	34.6	33.7	4	10.7	13.4	27.1	26.3	4	5.7	7.8	10.3	10.0	11.9
5	22.6	58.3	17.9	11.4	5	6.1	5.4	12.1	6.6	5	1.3	0.8	3.1	2.4	4.1
Extreme (floor effect)					Extreme (ceiling effect)					Extreme (floor effect)
Mean	3.70	4.29	3.46	3.31	Mean	2.20	2.29	3.09	2.86	Mean	1.77	1.97	2.22	2.12	2.42	35.71
Standard deviation	1.02	1.01	1.09	1.02	Standard deviation	1.23	1.20	1.22	1.15	Standard deviation	0.95	0.95	1.07	1.05	1.06	8.46
Skewness	−0.62	−1.43	−0.35	−0.25	Skewness	0.75	0.64	−0.13	0.27	Skewness	1.22	0.85	0.56	0.77	0.54	0.29
Kurtosis	−0.15	1.41	−0.62	−0.47	Kurtosis	−0.48	−0.61	−0.94	−0.92	Kurtosis	0.95	0.15	−0.29	−0.12	−0.27	−0.30
Alpha (if item dropped)	0.84	0.85	0.84	0.84	Alpha (if item dropped)	0.84	0.84	0.84	0.84	Alpha (if item dropped)	0.85	0.84	0.84	0.85	0.84
Item-total correlation	0.48	0.44	0.53	0.53	Item-total correlation	0.53	0.55	0.53	0.62	Item-total correlation	0.44	0.53	0.52	0.46	0.49

Item numbering corresponds to that of the original McNeil and Rainwater (1998) scale.