Objective:

The objective of this study is to obtain data on the effectiveness of the recently created motivational coaching model “La Girafa de Cantón”, specifically its ability to positively influence variables such as psychological well-being and self esteem.

Materials and method:

A single case design of methodological triangulation is used, where the quantitative information obtained through the test-retest evaluation is combined with the Ryff Psychological Well-being scales and the Rosenberg self- esteem test with the qualitative analysis of the interviews. made. The intervention lasts for five sessions and is performed with a 20-year-old woman whose main objective is to lose five kilos of weight in approximately two months.

Results:

The results show a significant improvement in the retest scores, in the subjective perception of the participant regarding progress in the process and an improvement in skills to maintain healthy behaviors; in addition to significant weight loss.

Conclusions:

As a result of the results obtained, the intervention carried out has been effective in improving the variables studied through the self-reflection caused by the professional in psychological coaching and based on the “La Girafa de Cantón” model. Therefore, it is important the adequate application of these strategies by trained professionals and the need for future studies to strengthen the effectiveness of this intervention methodology.