Explanations for the success and failure of dieting

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1. What is a weakness of these studies?

  • Low ecological validity
  • Reductionist and doesn't support psychology being a science
  • Most are Eurocentric and gender biased to mainly women
  • Ethnocentric and androcentric
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Other questions in this quiz

2. Diets will work best if they teach pps new eating and lifestyle habits. Why?

  • It shows that you can't go back and forces you to focus to change rather than the diet itself
  • New habit and lifestyle, seen as a long term and permanent change to keep weight off in changing mindset and eating behaviour together
  • Changes the cognitive belief to say that you can do it
  • It's a placebo effect to help you lose and keep off the weight

3. What BMI is classed as overweight?

  • 25 - 29.9kg
  • 30 - 35kg
  • 20 - 30kg
  • Over 20kg

4. What role do hormones, particularly ghrelin, play in the failure of dieting?

  • Stimulates appetite, making hungry people feel hungrier
  • Makes you think you are hungry when you have just eaten
  • When you are hormonal, you will want to eat more regardless of dieting restrictions
  • They are just there bloody deal with it

5. Mann did a meta-analysis of 14 studies that followed pps over 4 years after a diet, what did he find?

  • On the long term, pps had gained all back but 3kg of their original weight before the diet
  • That some kept off the weight and some didn't
  • That the pps had kept off all the weight because of the change in mindset
  • After a while, the weight gradually came back to the original weight


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