. Author manuscript; available in PMC: 2015 Dec 4.

Published in final edited form as: J Abnorm Psychol. 2015 Aug;124(3):660–673. doi: 10.1037/abn0000024

Table 2.

Descriptive Statistics by Beverage Condition

	Alcohol		Placebo		Control

	Mean	SD	Mean	SD	Mean	SD
Extraversion and Baseline Duchenne Smiling and Mood Measures
Extraversion	31.84^a	6.76	32.31^a	6.83	32.17^a	5.95
Baseline Duchenne Smile (secs)	23.63^a	19.24	26.03^a	20.48	24.91^a	18.43
Positive Mood	26.10^a	7.08	25.79^a	6.88	25.10^a	6.87
Negative Mood	11.81^a	2.53	12.01^a	2.53	11.52^a	2.37
Duchenne Smiling During Drink and Post-Drink Mood and Social Bonding Measures
Duchenne Smile (secs/10 sec interval)	1.48^a	0.87	0.94^b	0.70	1.02^b	0.71
Positive Mood	3.53^a	0.83	3.22^b	0.81	3.31^b	0.82
Negative Mood	0.33^a	0.42	0.68^b	0.62	0.60^b	0.59
Social Bonding	7.22^a	1.25	6.74^b	1.52	7.07^a	1.30

Baseline mood was measured using the PANAS, while mood following the interaction was indexed using an eight item mood measure in order to avoid anchoring effects (see study measures).

Groups with non-overlapping superscripts differed significantly (p < .05).