Chapter 5 116 these characteristics and the extent to which they recognized a typical problem situation, and their preference for a coaching strategy. Procedure First, a pilot study was conducted among 6 participants to validate the study protocol. This pilot was performed with students at the faculty for Applied Psychology, at the Hanze University of Applied Sciences in Groningen. Secondly, the actual research was carried out among participants who were recruited at a cooperative franchise organization of dieticians. Thirdly, the participants were presented with information on the study, followed by an online letter of consent they had to agree with, before proceeding to the first vignette. Lastly, the participants filled in some demographic data, and thereafter, they were presented with two vignettes, followed by four questionnaires (see Measures). Measures Demographics Participants shared information on their gender (they were all women), year of birth, length, and weight. Body mass index was calculated by dividing self-reported body weight (in kilogram) by height squared (in meters) (mass (kg)/height(m))2). The average score of BMI is 30.61 (N = 67). See Table 2. Descriptives measures. The year of birth was calculated into age in years (Age = (year of survey) – (year of birth)). The average score of age is 44.90 (N = 78). For the purpose of responding to RQ1, questionnaires on emotional eating behaviour, personality traits and positive / negative affect were administered to participants. For the purpose of responding to RQ2 three questions were asked (see Table 3. Overview of questions about the problem situations and coaching strategies). Questionnaire Emotional Eating Behaviour (DEBQ) Emotional eating behaviour was assessed using the Dutch Eating Behavior Questionnaire (DEBQ-E) [69]. The scale contains 33 questions about eating behaviour, of which 13 items are about emotional eating. Each item was rated on a 5-point Likert scale ranging from 1 “never” to 5 “very often”. Questionnaire Personality traits (Quick Big Five) The personality traits were assessed using the Quick Big Five Personality Questionnaire [70]. The scale contains 30 questions about personality traits. Each item was rated on a 7-point Likert scale ranging from 7 “is not true at all” to 1 “is absolutely right”.
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