Preferences for coaching strategies in a personalized virtual coach for emotional eaters 117 5 Questionnaire Positive/Negative Affect (PANAS) Positive and negative affect were measured (self-reported by participants) using the international Positive and Negative Affect Schedule. [71]. The Dutch translations of these emotions were derived from a Dutch version [72]. The PANAS is a 20-item questionnaire that consists of 10 positive and 10 negative emotions. Each emotion was rated on a 5-point Likert scale ranging from 1 “very slightly” to 5 “very much”. The positive emotions are: alert, inspired, determined, attentive, active, enthusiastic, interested, exited, strong, and proud. The negative emotions are: scared, upset, distressed, jittery, guilty, irritable, hostile, ashamed, nervous, and afraid. The period over which the participants had to give their self-assessment was “at the present moment”. The states of mind (SOM) represents the relative balance of positive and negative aspects of wellbeing. This model uses a ratio computed as P/(P+N) to define emotional and cognitive balance [73-74]. Table 2 | Descriptives measures Questions about the proto-typical problem situations and the coaching strategies The participants were presented with three questions (multiple choice) about the vignettes (see Table 3. Overview of questions about the problem situations and coaching strategies): – o ne question (Q-1) about the problem situations ‘experiencing cravings’ and ‘after giving in to cravings’, variable N missing MEAN RANGE SD Cronbach’s α BMI 79 12 30.61 18.25-45.87 6.56 n.a. Age 79 1 44.90 20-70 12.7 n.a. Emotional eating 79 12 3.68 1.69-4.92 .68 .918 (13 items) Openness 79 13 4.74 1.50-6.50 1.02 .779 (6 items) Conscientiousness 79 13 4.90 2.17-6.83 1.12 .895 (6 items) Extraversion 79 13 4.08 1.33-6.83 1.25 .894 (6 items) Agreeableness 79 13 5.69 3.67-6.83 .66 .803 (6 items) Emotional stability (neuroticism) 79 13 3.80 1.67-5.67 1.08 .803 (6 items) PANAS pos 79 13 2.88 1.40-4.30 .70 .863 (10 items) PANAS neg 79 13 1.78 1.00-3.90 .68 .860 (10 items) PANAS SOM 79 13 .62 .37- .78 .10 n.a.
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