Concept | Questionnaire | Description | Items | Range | Authors | Assessed at: |
---|---|---|---|---|---|---|
Demographics | Â | Questions on sex, birth date, living situation, romantic relationship, education, employment, current and lifetime psychiatric diagnosis, income | 20 | Â | Â | T0 |
Exclusion criteria | Â | Questions regarding no possession of smartphone, psychiatric treatment, use of psychotropic medication, adverse conditions for skydive (e.g., epilepsy, cardiovascular problems, weight, height, pregnancy), experience with skydive | 16 | Â | Â | T0-T6 |
Reward responsiveness | RR | Questionnaire assessing reward responsiveness | 8 | 1–4 | Van den Berg, Franken, & Muris, 2010 [56] | T0-T6 |
Pleasure and pleasure loss | DDOPS | Questionnaire assessing pleasure in different domains (i.e., perceptual, social, sexual and personal achievement) and different dimensions (i.e., consummatory, anticipatory, motivational) | 31 pleasure level items, 31 pleasure change items | 1–100 for level of pleasure, 1–5 for change in pleasure | Masselink et al., submitted | T0-T6 |
Lifestyle factors | TRAILS lifestyle | Questionnaire assessing the frequency of and amount of time spent on various lifestyle-related activities in a typical week (e.g., traveling to work, hobbies, leisure activities, exercise). | 27 + 3–4 extra items per endorsed activity | Yes/no + frequency + time | Ormel et al., 2012 [57] | T0-T6 |
Substance use | TRAILS substance use | Questionnaire assessing the frequency and amount of smoking, alcohol, soft drugs and hard drugs. | 4–12 | Differs per question |  | T0-T6 |
Life events and difficulties | TRAILS + own items | Questionnaire assessing chronic difficulties (e.g., long lasting conflict, chronic disease or handicap, unemployment) and recent life events (i.e., relationship break-up, failing to reach important goal, death of loved one). | 13 | Yes/no | Ormel et al., 2012 [57] | T0-T6 |
Depressive symptoms | PHQ-9 | Questionnaire assessing depressive symptoms in the past two weeks, based on the DSM-IV criteria for depression. | 9 | 0-3 | Kroenke, Spitzer, & Williams, 2001 [58] | T0-T6 |
Psychopathology | ASR | Questionnaire assessing various mental health problems in the past six months. | 123 | 0–2 | Achenbach & Rescorla, 2001 [59] | T0, T5, T6 |
Positive affect | PA | Questionnaire assessing general positive affect, which was partly based on previous research and partly newly constructed. | 11 | Â | Wichers et al., 2007; Wichers, Lothmann, Simons, Nicolson, & Peeters, 2012 [60, 61] | T0-T6 |
Effortful control | ATQ-EC | Questionnaire assessing activation control, attentional control and inhibitory control. | 19 | 1–7 | Evans & Rothbart, 2007 [62] | T0, T4 |
Extraversion | BFI-E | The extraversion subscale from the Big Five Inventory. | 8 | 1–5 | Denissen, Geenen, van Aken, Gosling, & Potter, 2008 [63] | T0 |
Self-efficacy | GSS | Questionnaire assessing general self-efficacy. | 10 | 1–4 | Teeuw, Schwarzer, & Jerusalem, 1994 [64] | T0-T6 |
Social comparison | SCS | Questionnaire assessing different aspects of social comparison: judgments with regard to social rank, social attractiveness, and social group fit. | 10 | 1–10 | Allan & Gilbert, 1995 [65] | T0-T6 |
Consummatory and anticipatory pleasure | TEPS | Questionnaire assessing the general level of consummatory (9 items) and anticipatory pleasure (9 items). | 18 | 1–6 | Gard, Gard, Kring, & John, 2006 [66] | T0 |
Facial emotion recognition | FER morphing task | Task consisting of 24 video clips in which a neutral face morphs into a face with an emotional expression of anger, fear, sadness or happiness. Assesses average reaction time (i.e., speed) and number of correctly identified emotions (i.e., accuracy). | 24 | n/a | Heuer, Lange, Isaac, Rinck, & Becker, 2010 [67] | T0, T2, T3, T4 |