Table 2. Results of item analysis for the SPANE (N = 21,322).

Items	Mean	SD	Skewness	Kurtosis	Commonalities	Corrected Item-Total Correlation	Cronbach's Alpha if Item Deleted
Positive feelings
Positive	3.74	0.89	−0.67	0.58	0.48	0.66	0.92
Good	3.62	0.87	−0.50	0.39	0.64	0.76	0.90
Pleasant	3.54	0.90	−0.41	0.24	0.77	0.83	0.89
Joy	3.46	0.95	−0.35	0.04	0.76	0.83	0.89
Happy	3.42	0.91	−0.22	0.10	0.69	0.79	0.90
Contented	3.25	0.98	−0.22	−0.11	0.60	0.74	0.91
Negative feelings
Negative	2.35	0.97	0.21	−0.42	0.57	0.71	0.89
Bad	2.39	0.96	0.18	−0.35	0.65	0.76	0.89
Unpleasant	2.53	0.97	0.11	−0.22	0.70	0.78	0.88
Sad	2.30	0.99	0.28	−0.42	0.70	0.79	0.88
Afraid	2.31	1.01	0.31	−0.49	0.52	0.69	0.90
Angry	2.48	0.96	0.14	−0.27	0.58	0.72	0.89