Journal article Open Access

Effects of a Smartphone-Based Approach–Avoidance Intervention on Chocolate Craving and Consumption: Randomized Controlled Trial

Meule, Adrian; Richard, Anna; Dinic, Radomir; Blechert, Jens


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{
  "DOI": "10.2196/12298", 
  "author": [
    {
      "family": "Meule, Adrian"
    }, 
    {
      "family": "Richard, Anna"
    }, 
    {
      "family": "Dinic, Radomir"
    }, 
    {
      "family": "Blechert, Jens"
    }
  ], 
  "issued": {
    "date-parts": [
      [
        2019, 
        3, 
        24
      ]
    ]
  }, 
  "abstract": "<p>Background:</p>\n\n<p>Repeatedly pushing high-calorie food stimuli away based on joystick movements has been found to reduce approach biases towards these stimuli. Some studies also found that such avoidance trainings reduced consumption of high-calorie foods.</p>\n\n<p>Objective:</p>\n\n<p>To make such interventions suitable for daily use, this preregistered study tested effects of a smartphone-based approach&ndash;avoidance intervention on chocolate craving and consumption.</p>\n\n<p>Methods:</p>\n\n<p>Within a ten-day period, participants (n = 105, 86% female) either performed five sessions during which they continuously avoided (i.e., swiped away/upwards) chocolate stimuli (experimental group, n = 35), performed five sessions during which they approached and avoided chocolate stimuli equally often (placebo control group, n = 35), or did not perform any training sessions (inactive control group, n = 35). Training effects were measured during laboratory sessions before and after the intervention period and further continuously through daily ecological momentary assessment (EMA).</p>\n\n<p>Results:</p>\n\n<p>Self-reported chocolate craving and consumption as well as body fat mass significantly decreased from pre- to post-measurement across all groups. EMA reports evidenced no differences in chocolate craving and consumption between intervention days and rest days as a function of group.</p>\n\n<p>Conclusions:</p>\n\n<p>A smartphone-based approach&ndash;avoidance training did not affect eating-related and anthropometric measures over and above measurement-based changes in the current study. Future controlled studies need to examine whether other techniques of modifying food approach tendencies show an add-on benefit over conventional, monitoring-based intervention effects. Clinical Trial: https://aspredicted.org/pt9df.pdf</p>", 
  "title": "Effects of a Smartphone-Based Approach\u2013Avoidance Intervention on Chocolate Craving and Consumption: Randomized Controlled Trial", 
  "type": "article-journal", 
  "id": "3530760"
}
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