Table 1.

ML-CFA Standardized Factor Loadings and 95% Confidence Intervals across Samples

MIS Item	Between-Person λ	95% CI	Within-Person λ	95% CI
Sample 1
Said without thinking	.94	[.90, .98]	.67	[.62, .72]
Spent more money	.80	[.74, .86]	.60	[.55, .65]
Impatient	.80	[.74, .86]	.38	[.34, .42]
Spur of the moment	.93	[.90, .96]	.76	[.72, .80]
Sample 2
Said without thinking	.86	[.81, .91]	.44	[.39, .49]
Spent more money	.79	[.74, .84]	.52	[.47, .57]
Impatient	.75	[.69, .81]	.21	[.16, .26]
Spur of the moment	.86	[.81, .91]	.53	[.48, .58]

Note. ML-CFA = multilevel-confirmatory factor analysis. All factor loadings (λ) are standardized. MIS = Momentary Impulsivity Scale; CI = confidence interval. Sample 1 = daily diary sample; Sample 2 = EMA sample.