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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Drug Alcohol Depend. 2018 May 1;188:193–199. doi: 10.1016/j.drugalcdep.2018.03.042

Fig. 2.

Fig. 2.

a–d: Mean ratings (+SEM) for four visual analog scale (VAS) items from the Direct Effects of ECIG use scale: “Was the ECIG pleasant?” (top left), “Did the ECIG make you feel more calm?” (top right), “Was the ECIG Satisfying?” (bottom left), and “Did the ECIG make you feel more awake?” (bottom right). In all other respects the figure is identical to Fig. 1a.